History Monster / MarvelAnimation

Similar to [[Monster/MarvelComics the comics]], [[WesternAnimation/MarvelAnimation Marvel animated works]] feature some {{Complete Monster}}s.

[[AC:''WesternAnimation/XMenTheAnimatedSeries'' (Earth-92131)]]
[[folder:Examples]]

[[AC:''WesternAnimation/SpiderManTheAnimatedSeries'' (Earth-92131)]]
[[folder:Examples]]
* [[EvilutionaryBiologist Herbert Landon]] is a [[FantasticRacism rabid anti-mutant extremist]] who created a formula that destroyed mutant cells and killed any mutant exposed to it. His endgame was to market this formula to the public as a cure for mutants only to instead use it to [[FinalSolution wipe them all out]]. The first person Landon attempted to test out this formula on is his "old friend", Hank "Beast" [=McCoy=]. Thwarted in this endeavor, Landon would go on to work for [[Characters/MarvelComicsTheKingpin the Kingpin]], and performed various unsavory deeds such as forcibly converting Alistair Smythe into a cyborg slave and testing out a SuperSoldier serum by using [[ClassyCatBurglar Felicia Hardy]] as a guinea pig.

** "[[Recap/SpiderManTheAnimatedSeriesS03E11VenomReturns Venom Returns]]" & "[[Recap/SpiderManTheAnimatedSeriesS03E12Carnage Carnage]]": [[Characters/MarvelComicsCletusKasady Cletus Kasady]] is [[AxCrazy a psychotic lunatic]] who starts by trying to use a bomb to kill himself and everyone within a 200-meter radius out of sadism. After joining Dormammu and bonding with the offspring of Eddie Brock's symbiote, Kasady uses his newfound power and connections to become [[Characters/MarvelComicsCarnage an even worse menace]]. First helping Venom steal an interdimensional probe, Kasady quickly displays contempt towards his "dad's" softness and tries to kill Venom multiple times for pettiness. Kasady would later steal the souls of numerous innocent people in order to summon Dormammu and [[OmnicidalManiac bring about the end of the world]]. Once Spider-Man defeats him by letting him be sucked into Dormammu's home dimension, Kasady attempts to grab Eddie Brock's LoveInterest, Dr. Ashley Kafka, to take her with him, and is only thwarted by Eddie sacrificing himself instead.

* ''WesternAnimation/BlackPanther'' (Earth-21127): [[BigBad Ulysses Klaw]] was hired many years ago to kill T'Chaka, then leader of Wakanda and the Black Panther. During the mission, Klaw kills T'Chaka and his [[WouldHurtAChild young son]], then tries to execute the man's wife and other child. Returning years later, Klaw assembles a team of supervillains and declares war on Wakanda, killing numerous innocents in the process. Taking the current Black Panther's mother hostage, Klaw tries to force the Panther to kill himself, and, when he refuses, attempts to murder the woman. Klaw then orders [[PersonOfMassDestruction the Radioactive Man]] to destroy Wakanda if his plan to take control of it fails, and makes one last attempt to murder the Panther and his family when thwarted.

* ''WesternAnimation/WhatIf2021'' ([[Franchise/MarvelCinematicUniverse Earth-199999]]):
** "[[Recap/WhatIfS1E1WhatIfCaptainCarterWereTheFirstAvenger What If...Captain Carter Were the First Avenger?]]": The [[Characters/MCUJohannSchmidt Red Skull]] faced by [[Characters/MCUPeggyCarter Captain Carter]] is just as evil as his [[Film/CaptainAmericaTheFirstAvenger Sacred Timeline]] counterpart. In this timeline, the Skull seeks [[TakeOverTheWorld global domination]] not by means of the Tesseract but by a dimensional portal through which he intends to summon an EldritchAbomination, risking the annihilation of the entire planet just so he can stand on top. Along the way, Red Skull indulges in familiar cruelties like gunning down old men and murdering his own allies, thoroughly proving that he has no loyalty to even the Reich.
** "[[Recap/WhatIfS1E8WhatIfUltronWon What If...Ultron Won?]]" & "[[Recap/WhatIfS1E9WhatIfTheWatcherBrokeHisOath What If...The Watcher Broke His Oath?]]": Infinity Ultron is a much viler variant of [[Characters/MCUUltron Ultron]] who successfully managed to upload himself into Vision's body. Deciding "peace" means [[OmnicidalManiac the eradication of all life]], Ultron wipes out all of humanity with a nuclear apocalypse. Ultron then kills [[Characters/MCUThanos Thanos]], loots the Infinity Stones from his body, and uses their [[RealityWarper reality-warping]] power to systematically annihilate all other life in the universe. After finishing that goal, Ultron [[EvilLearnsOfOutsideContext recognizes the existence of the Multiverse itself]] and, armed with the Infinity Stones, attempts to completely purge every single universe of life.

* [[Characters/MarvelComicsSabretooth Sabretooth]], renamed [[AdaptationNameChange Graydon Creed Sr.]], is Wolverine's former partner in a special forces unit turned ArchEnemy. After the unit was overwhelmed by the monstrous cyborg Omega Red, Sabretooth abandoned them to die without a second thought. When Magneto hires Sabretooth to infiltrate Xavier's school, Sabretooth pretends to be protesting at Beast's trial to gain the X-Men's trust. As Xavier attempts to help Sabretooth deal with his inner demons, Sabretooth tricks Jubilee into loosening his restraints, and then [[UngratefulBastard attempts to murder her]]. Sabretooth later kidnaps the members of the village while Wolverine is distracted and straps bombs to them in order to draw Wolverine out and force him to fight. After the Friends of Humanity left his son, Graydon Jr., at his mercy, Sabretooth wasted no time preparing to [[OffingTheOffspring kill him]].

* ''WesternAnimation/TheIncredibleHulk1996'''s "Mind Over Anti-Matter": The [[MonsterOfTheWeek unnamed alien entity]] was a powerful and boisterous being that searched for new realms to conquer and destroy. Setting its sights upon Earth, the entity fought [[Characters/MarvelComicsSorcererSupreme Doctor Strange]] amongst the ruins of the last world it laid waste to. After overpowering Strange, the being searched for a host body strong enough to contain its raw power. It found one in Bruce Banner and proceeded to [[GrandTheftMe take over his body]] and wreak havoc on his subconscious. It transformed Bruce into the Dark Hulk and went on a rampage across Manhattan, attacking anyone who stood in its way. The Dark Hulk invaded a military base and [[NukeEm armed a nuclear warhead]] to destroy the island of Manhattan. With a rap sheet spanning centuries, the alien entity's only goal was to have [[ForTheEvulz as much fun as possible]] while turning new worlds into lifeless husks.

** [[Characters/MarvelComicsUltron Ultron]] is a rogue A.I. obsessed with nothing less than the total extermination of not just the Avengers, but [[KillAllHumans all of humanity]]. After building the android Vision, Ultron first has him attack the envoy of the President of the United States, nearly killing both the President and his agents, then organizes the attempted mass shooting of dozens of innocent people, children included. In another instance, after Vision has gained sapience and betrayed his evil ways, Ultron [[HostageSituation holds the comatose Wonder Man hostage]] to try to force the Avengers to destroy Vision's capacity for emotion and turn him back into his slave, after which Ultron tries to kill them all. In his crowing moment of villainy, after failing to [[NukeEm bombard the Earth with nuclear missiles]], Ultron attempts to spread a technovirus across the planet, then watch as every machine on Earth comes alive and wipes out every human they see, paving the way for Ultron's mechanical tyranny to begin.

* "Overflow": The [[DarkIsEvil Shadow King]], real name Amahl Farouk, is a cruel and merciless telepathic mutant who forced the young Storm to be a thief and would berate and threaten her if she did not bring back enough stolen goods. Xavier befriended Storm and defeated the Shadow King. Though his body was destroyed fighting Xavier, his evil spirit lived on and he gained the ability to [[DemonicPossession possess others and force them to do things against their will]]. When we first see Shadow King in the present, he has possessed a starving man in a desert. When another man comes to help this starving man, The Shadow King possesses the good Samaritan and leaves his original victim to die in the desert. Shadow King later possesses Storm herself and forces her to use her WeatherManipulation powers to destroy all Africa, simply to spite her.

* [[Characters/MarvelComicsLoki Loki]] is the [[CainAndAbel evil stepbrother]] of Thor, and is responsible for most of the events that occurred in the first season. Instigating a war between Asgard and the Frost Giants, Loki leads the Frost Giants in conquering Asgard and attempts to kill his brother, only to be defeated and exiled. However, he then engineers a mass breakout in multiple S.H.I.E.L.D. prisons, letting loose the most dangerous and vile criminals on the planet so as to keep Thor distracted. Loki and his forces then proceed to conquer each of the Nine Realms, putting his father Odin into eternal slumber and stealing his power for himself, while putting those who resist his rule in chains. With the Enchantress acting on his orders, Loki planned to launch a massive invasion force on Earth but was thwarted by the Avengers. When Thor was captured, Loki tortures him with the Odinforce, sparing his brother's life solely so he could helplessly watch Loki triumph. In his confrontation with the Avengers, Loki began to [[SuperPowerMeltdown lose control]] over the Odinforce, but was willing to let his out-of-control power destroy all Nine Realms out of petty spite. When captured by his reawakened father, Loki showed no repentance for his crimes. With the Enchantress's help, Loki's spirit escapes imprisonment and possesses the powerful [[AnimatedArmor Destroyer Armor]], proceeding to hunt down the Avengers rendered powerless by the Enchantress's spell. A [[EvilIsPetty petty]] and [[AmbitionIsEvil power-hungry]] narcissist, Loki derails from his usual acts of mischief into outright evil simply to prove himself as [[TheResenter Thor's better]].

** [[Characters/MarvelComicsNormanOsborn The Green Goblin]] from Miles Morales's universe proves to be [[AdaptationalVillainy far worse]] than his main universe counterpart. Having [[HeroKiller killed Peter Parker]] from his universe, the Goblin fights numerous times with 13-year-old Spider-Man Miles Morales, even trying to kill him at times. When Peter Parker from the main universe arrives in his universe, the Goblin tries to kill him alongside Miles, feeling a sadistic pleasure with the idea of "crushing" two spiders. In season 4, Baron Mordo and Doctor Octopus bring him to the main universe with the artifact "Siege Perilous" with the purpose of killing Spider Man; the Goblin tries to use it to [[OmnicidalManiac destroy the universe]]. When Mordo tries to control him, Green Goblin hits him with the Siege Perilous, splitting his body into multiple fragments and apparently killing him, before trying to do the same with Peter Parker.

* ''WesternAnimation/GuardiansOfTheGalaxy2015''

* ''WesternAnimation/TheInvincibleIronMan'' (Earth-199673): [[AdaptationalVillainy Mandarin]] lacks the redeeming qualities of his original couterpart. Upon becoming the [[FounderOfTheKingdom first ruler of China]] in the past, Mandarin led the darkest and the most violent of all dynasties, having hundreds of thousands [[HumanSacrifice slaughtered and buried in his temple]] in an effort to [[ImmortalityImmorality become immortal]]. Having the Elementals seek out the magical rings in the present, Mandarin uses his dragon minion to murder the remains of the Jade Dragons and [[DemonicPossession possesses his last descendant]], Li Mei, as he intends to raze the Earth and massacre many people to use their souls for his rituals.

*** Characters/KangTheConqueror is an egotistical ConquerorFromTheFuture and the true mastermind of the Emerald Rain Project. In the 30th century, Kang has devastated Earth in his bid to take it over, but was beaten by the Inhumans before he could take his conquest across the whole universe. Kang plots to reverse-engineer the Terrigen Crystals and use them to turn humanity into a race of SuperSoldiers under his control. Kang travels to the 21th century and recruits the Masters of Evil to gather the ingredients necessary for his plan. Finally revealing himself after the Emerald Rain Project is complete, Kang plans to unleash emerald rain across the world, killing most of humanity and reducing the survivors into his brainwashed soldiers. Facing the Avengers, Kang sends them to the 10th century, before bringing them to his future to kill them personally. After his defeat, Kang activates the Self-Destruct Mechanism on his ship to crash it into New York, gloating that it will be nothing compared to the destruction caused by the explosion of his throne.
*** [[EvilGenius The Leader]] is the head of the Masters of Evil and Kang's [[TheDragon right-hand man]]. Recruited by the time traveling conqueror, the Leader partners up with [[Characters/MarvelComicsHydra HYDRA]] to gather the necessary material for the Emerald Rain Project. Learning that the Red Skull went behind his back and created children who would become the Future Avengers, the Leader tries to have him killed before recruiting one of those children, Bruno, to his side. The Leader leads the Masters of Evil to steal the vibranium necessary for the creation of the Terrigen Crystals. Battling the Avengers along the way, the Leader has the Enchantress unleash a dragon on the city of K'un-L'un, and at one point turns the Iron Man suit into a bomb with Tony still in it. When the Winter Soldier starts regaining his memories, the Leader gives him to HYDRA to painfully brainwash him and [[BrainwashedAndCrazy use him as a weapon of mass death]]. [[WouldHurtAChild The Leader]] tries to painfully drain the powers of young Makoto before partnering with Loki to steal Thor's lightning as the last part of the Emerald Rain Project. After Kang's defeat, the Leader tries to kill Makoto and Bruno one last time.
** Season 2: [[ManipulativeBastard Maximus]] is the [[CainAndAbel wicked younger brother]] of Black Bolt and desires the throne of Atlan from his brother. Maximus is behind unleashing the mutagenic Terrigen Mist on Earth and all the chaos and destruction that the resultant newly created supervilains cause. Maximus does this in order to incite a war between Inhumans and humans by heightening tensions between both sides and to this end also sabotages a peace deal between the Inhuman royal family and Avengers which leaves his brother's fiancée Medusa in a coma. Taking control of the Inhuman armada, Maximus plans to murder his brother before using the armada to wipe out Earth through OrbitalBombardment. Maximus also tries to force Makoto and Bruno into killing each other by playing on their emotions. Beaten, Maximus plans to unleash Terrigan Mist at the Avengers peace conference and kill the heroes for stopping him.

** "Second Foundation": [[CorruptPolitician Prime Minister Kiar]] and [[InsaneAdmiral Admiral Zedrao]] are the military leaders of the Skrull Empire. Due to their failure to defeat the Kree Empire, the Skrull HiveQueen was going to remove them from power, so they kill the Queen instead, dooming the Skrull race to eventual extinction. They pretend the Queen is still alive and take total power for themselves. When Kiar and Zedrao discover there is a royal egg containing a new Queen on the planet Skrullos, they plan to raise the queen themselves and have the queen establish a ruling line where their direct decedents will control the Empire through the [[PuppetKing puppet Hive Queen]]. When Kiar and Zedrao capture Nova, the current Herald of [[Characters/MarvelComicsGalactus Galactus]], they plan to force her to summon Galactus to the worlds of the Kree, so that they can win the war by destroying the Kree race.
* ''WesternAnimation/TheSpectacularSpiderMan'' (Earth-26496):

** Mesmero is a [[MindManipulation mind-controlling]] mutant and a servant of [[Characters/MarvelComicsApocalypse Apocalypse]]. Originally having limited mental powers, Apocalypse boosted his mental powers and promised him more if Mesmero freed Apocalypse. Mesmero takes a job at the circus and encounters the X-Men. Mesmero torments Jean Grey with [[MindRape nightmares to break her will]] and make her his puppet. Mesmero forces Jean to mind-control other teen X-Men, forcing them to steal 3 rings that serve as a key to the first door imprisoning Apocalypse. Mesmero forces the X-Men he mind-controls to fight their teammates, while he escapes. Mesmero gets the second key by tricking Magneto into destroying a spider creature that was a guardian meant to keep Apocalpyse imprisoned. Later Mesmero allies with Mystique and take her to Apocalpsye's tomb and announces she is the third key. Mesmero tells Mystique to put her hand on the final door, which turns [[TakenForGranite her to stone]] and frees Apocalypse. Mesmero knows that Apocalypse will kill millions of people to [[WellIntentionedExtremist achieve his vision of a better world]] when freed, but does not care, wanting the power Apocalypse promised him.

* ''[[Anime/MarvelAnimeIronMan Iron Man]]'': [[CorruptPolitician Kuroda]] masquerades as the benevolent Japanese Minister of Defense and ally to Tony Stark while secretly heading the terrorist organization Zodiac. Using Zodiac to [[NotSoWellIntentionedExtremist further his own ambitions]], Kuroda allows for mass death and destruction and [[TheCorrupter corrupts]] Stark's friend, Dr. Ho Yinsen into turning against Stark as a deranged extremist. [[WouldHurtAChild Experimenting on an orphan]] who had been in a plane accident, Kuroda gives her telekinetic powers and attaches her to a Zodiac machine, [[AndIMustScream leaving her in agony as her powers run amok]]. When Stark begins dismantling Zodiac operations, Kuroda loses it and reveals his true nature, mercilessly killing Officer Sakuri; opening fire on innocent civilians to force their submission; and arranging for the kindhearted Dr. Tanaka to work as his unwitting sleeper agent before painfully transforming her into a monster.

[[AC:''WesternAnimation/XMenTheAnimatedSeries'']]

[[AC:''WesternAnimation/SpiderManTheAnimatedSeries'']]

[[folder:Examples]]
* ''[[https://www.youtube.com/watch?v=v2s21NfufLU Solarman]]'': [[BigBad Commander Gormagga Kraal]] is a power-hungry cyborg who destroys countless suns and planets to acquire enough power to [[GalacticConqueror conquer the universe]]. Setting his sights on the solar system's Sun, Kraal cares nothing for the billions of human lives he'll decimate, and kills Dr. Sha-han for escaping with the Circlet, even [[BadBoss melting his robot henchman]] for letting him escape. When [[TheHero Benjamin Tucker]] is brought to him, Kraal suggests cutting the boy’s arm off to acquire the Circlet attached to it, before trying to kill Solarman and [[StarKilling destroy the Sun]] himself.

* ''WesternAnimation/TheAvengersUnitedTheyStand'' (the comic set in a different continuity can be found [[Monster/MarvelComics here]]):
** [[Characters/MarvelComicsUltron Ultron]] is a rogue A.I. obsessed with nothing less than the total extermination of not just the Avengers, but [[KillAllHumans all of humanity]]. After building the android Vision, Ultron first has him attack the envoy of the President of the United States, nearly killing both the President and his agents, then organizes the attempted mass shooting of dozens of innocent people, children included. In another instance, after Vision has gained sapience and betrayed his evil ways, Ultron [[HostageSituation holds the comatose Wonder Man hostage]] to try to force the Avengers to destroy Vision's capacity for emotion and turn him back into his slave, after which Ultron tries to kill them all. In his crowing moment of villainy, after failing to [[NukeEm bombard the Earth with nuclear missiles]], Ultron attempts to spread a technovirus across the planet, then watch as every machine on Earth comes alive and wipes out every human they see, paving the way for Ultron's mechanical tyranny to begin.
** [[DiabolicalMastermind Cornelius van Lunt]], better known as [[OurMinotaursAreDifferent Taurus]], the merciless leader of [[TheOmniscientCouncilOfVagueness Zodiac]], first establishes his ruthlessness by ordering the Swordsman cut apart into twelve pieces [[YouHaveFailedMe for his failure]]. A monstrous mastermind with a plan that involves splitting the Earth itself apart for the sake of power, through the course of the series Taurus regularly endangers millions of lives, from bombarding Earth with falling satellites and nuclear missiles, to having entire villages and towns wiped off the map by natural disasters, all of which he sees as mere collateral to his EvilPlan.
** "Kang": [[Characters/KangTheConqueror Kang himself]], the titular [[GalacticConqueror Conqueror]], is accidentally freed from his temporal prison after having [[ConquerorFromTheFuture conquered the 31st century]]. Having destroyed the Avengers of his time, Kang's takeover of Earth killed millions and reduced billions more to Kang's slaves. Intending to resume his takeover of all space-time, starting backward from the 31st century to conquer epoch and waste countless more lives, Kang even [[RapidAging ages all of New York]] to the point of near-oblivion just as a display of his power.

!!Creator/ChristopherYost Verse

!!''Anime/MarvelAnime''

* ''WesternAnimation/BlackPanther'': In this AnimatedAdaptation of the [[ComicBook/BlackPanther classic comic book hero]], [[BigBad Ulysses Klaw]] was hired many years ago to kill T'Chaka, then leader of Wakanda and the Black Panther. During the mission, Klaw kills T'Chaka and his [[WouldHurtAChild young son]], then tries to execute the man's wife and other child. Returning years later, Klaw assembles a team of supervillains and declares war on Wakanda, killing numerous innocents in the process. Taking the current Black Panther's mother hostage, Klaw tries to force the Panther to kill himself, and, when he refuses, attempts to murder the woman. Klaw then orders [[PersonOfMassDestruction the Radioactive Man]] to destroy Wakanda if his plan to take control of it fails, and makes one last attempt to murder the Panther and his family when thwarted.
* ''WesternAnimation/DoctorStrangeTheSorcererSupreme'': [[BigBad Dormammu]] is a demonic being who is [[WhereIWasBornAndRazed responsible for the destruction of his own homeworld]]. Upon discovering Earth, Dormammu tried to attack it, only to be driven off by the Ancient One, who [[SealedEvilInACan imprisoned him in Nexus]]. To free himself, Dormammu put dozens of [[WouldHurtAChild children]] in a coma and used their minds to open enough veils to create a portal from Nexus to Earth. Influencing his monsters to rampage through the city and kill countless innocents, as well as the students of the Ancient One, Dormammu managed to free himself, after which he proclaimed his intention to [[OmnicidalManiac raze the Earth and eradicate humanity]].
* ''[[ComicBook/TheTombOfDracula Dracula: Sovereign of the Damned]]'': {{Satan}} is the [[MonsterProgenitor progenitor of vampires]] and the personal creator of {{Dracula}} himself. Having resurrected the dead [[UsefulNotes/VladTheImpaler Vlad Tepes]] and forcefully transformed him into the blood-drinking Dracula, Satan unleashed him and other vampires onto the world to wreak death and chaos for centuries. When Dracula turns on him and steals away his bride-to-be Dolores, Satan waits until Dracula and Dolores have a baby so that Satan can hurt them the most when he engineers the infant's death. Satan then tries to kill Dracula and Dolores while revealing that Dolores's power is the only thing holding him back, and once she is gone, his long-schemed intent to bring on HellOnEarth will see fruition.
* ''WesternAnimation/FantasticFourWorldsGreatestHeroes'':

* ''WesternAnimation/HitMonkey'': [[DarkActionGirl Maki Matsumoto]], better known as Lady Bullseye, [[EstablishingCharacterMoment first establishes]] herself as a [[PsychoForHire remorselessly sadistic assassin]] by brutally [[DisproportionateRetribution murdering four people for minor annoyances]]. Hired to kill Hit-Monkey, Lady Bullseye slaughters monkeys in an enclosure to send a message to him, before blowing up the house Hit-Monkey was staying at. She would then [[CopKiller murder Detective Ito]] before chasing Hit-Monkey, causing untold death and destruction in her relentless pursuit. Lady Bullseye later murders an innocent tailor and tortures a blind monk for Hit-Monkey's whereabouts before killing him and gouging his eyes out. Knowing that Hit-Monkey will come after Shinji Yokohama, Lady Bullseye holds him and his niece hostage to lure Hit-Monkey, killing his bodyguard and pilot so they won't escape. She would then face off with Hit-Monkey before using salt to torture his companion ghost, Bryce Fowler, when he tries intervening.
* ''WesternAnimation/HulkWhereMonstersDwell'': [[NamesToRunAwayFromReallyFast Nightmare]] is a sadistic dream demon obsessed with escaping into the Waking World so as to reign supreme over all humanity. To this end, Nightmare uses his enhanced powers on Halloween night to terrify four young teens with their worst fears, before trapping their astral souls in [[AndIMustScream neverending nightmares]] to power a machine he plans to use to open a portal into the Waking World. Transforming their physical forms into their worst fears and sending them on a rampage through New York, Nightmare also traps Dr. Strange in his own worst nightmare while also attempting to manipulate the Hulk into destroying the human part of his personality in order to control him. Once escaping the dream realm after attempting to [[WouldHurtAChild murder the four children]] for [[YouHaveOutlivedYourUsefulness outliving their usefulness]], Nightmare plunges all of New York into a never-waking nightmare, at which point he reveals he plans to do the [[FateWorseThanDeath same to the rest of the world and feed on their fear for all eternity]]. Monstrous and sadistic, Nightmare lives up to his namesake as a truly wicked demon.
* ''WesternAnimation/TheInvincibleIronMan'': [[AdaptationalVillainy Mandarin]] lacks the redeeming qualities of his original couterpart. Upon becoming the [[FounderOfTheKingdom first ruler of China]] in the past, Mandarin led the darkest and the most violent of all dynasties, having hundreds of thousands [[HumanSacrifice slaughtered and buried in his temple]] in an effort to [[ImmortalityImmorality become immortal]]. Having the Elementals seek out the magical rings in the present, Mandarin uses his dragon minion to murder the remains of the Jade Dragons and [[DemonicPossession possesses his last descendant]], Li Mei, as he intends to raze the Earth and massacre many people to use their souls for his rituals.

* ''WesternAnimation/IronManArmoredAdventures'':

* ''Anime/MarvelDiskWarsTheAvengers'':

* ''WesternAnimation/TheMarvelSuperHeroes'': [[Characters/MarvelComicsRedSkull Red Skull]], the vicious ArchEnemy of Captain America, is a villain so terrible that even the man who turned him [[FromNobodyToNightmare from a street rat]] into a [[NoSwastikas German terrorist]] fears that Red Skull may have designs on his life. Red Skull has annihilated entire armies and leveled cities to the ground, launching a series of attempted assassinations and even attempting to brainwash Captain America into killing America's military leader before his seeming death. Red Skull emerges two decades later to seize the Cosmic Cube, brainwashing its guardian before using its powers to erase him from existence as soon as his use expires. In between attempting to frame Captain America for the murder of an innocent man and toying with the minds of his own minions, Red Skull intends to use the Cube to enslave the minds of all humanity and wage war upon the entire universe, having previously been willing to destroy the entire planet with his destructive Sleepers in the event of his own death to [[TakingYouWithMe drag humanity with him to the grave]].
* ''WesternAnimation/NextAvengersHeroesOfTomorrow'': [[Characters/MarvelComicsUltron Ultron]] is an android built by Tony Stark to bring order to the world. Eventually [[TurnedAgainstTheirMasters deciding that the best way to bring order was to be the one giving orders]], Ultron [[HeroKiller killed most of the superheroes]] and started his own war upon the world, spreading chaos, death and destruction all over the planet. Conquering half of the world in 12 years, killing millions and driving the survivors underground, Ultron locates the surviving Iron Man hiding out in a base in the Arctic, where he adopted the children of the killed superheroes. Smashing his way in, Ultron confronts the children, now teenagers, and attempts to kill them for being "potential threats". Beating down and torturing Iron Man for information, Ultron leads a hunt after the young superhero team, desiring to finish what he started years ago.

* ''WesternAnimation/PlanetHulk'': The [[PlanetBaron Red King]] is the tyrannical ruler of the planet Sakaar. He created and unleashed Spikes when he was [[EnfantTerrible just a boy]], having them turn countless innocents into flesh-eating abominations and manipulating Caiera into serving him. The Red King has thrown countless people, be they rebels or slaves, into [[GladiatorGames death matches in the Colosseum]], even brainwashing Korg's three brothers into ruthless killers. When Hulk and his team earn their freedom, the Red King tries to get them to kill their friend Elloe to prove their loyalty to him, deciding to fry them all when they refuse. Unleashing Spikes on the village where gladiators have been hiding, Red King smugly reveals the truth to Caiera before having the village burned to the ground. The Red King has gladiators captured and the seemingly dead Hulk brought to the capital, planning to personally execute them to [[HopeCrusher break the people's hope]].
* ''WesternAnimation/PrydeOfTheXMen'': [[Characters/MarvelComicsMagneto Magneto]], [[AdaptationalVillainy a far cry]] from the NobleDemon of the comics, is the leader of the Brotherhood of Mutant Terrorists. After stealing the power circuit for Charles Xavier's Cerebo, Magneto uses it and the machinery in Asteroid M to capture a comet and [[ColonyDrop send it on a collision course with the Earth]], which would either wipe out most of the human race or entirely destroy the Earth. While his plan is foiled by the X-Men, Magneto rubs it in Kitty Pryde's face that Nightcrawler will have to sacrifice himself to save the Earth before he flees to continue plotting the destruction of the human race. Lacking any of his comic counterpart's redeeming traits or even his FreudianExcuse, this Magneto doesn't care about his fellow mutants and is only interested in power and ensuring his own dominion.
* ''WesternAnimation/SilverSurferTheAnimatedSeries'':

* ''WesternAnimation/TheSpectacularSpiderMan'':

* ''WesternAnimation/SpiderMan1967'':

* ''WesternAnimation/SpiderManAndHisAmazingFriends''[[note]]"Quest of the Red Skull"[[/note]] & ''WesternAnimation/SpiderMan1981''[[note]]"The Capture of Captain America"[[/note]]: [[VileVillainSaccharineShow Johann S(c)hmidt]], [[Characters/MarvelComicsRedSkull Red Skull]] himself, is an ex-Nazi official who seeks to initiate WorldWarIII. After stealing the Scorpio engraving, an artifact containing information regarding the whereabouts of hidden Nazi weaponry, from Professor Hiawatha Smith, Skull attempts to feed him to a python after declaring victory. When the Spider-Friends get involved and join Smith in South America, where the stash is hidden, Skull has them trapped underground and ambushed by a DrillTank. Finally capturing the heroes at Skull Island, Skull reveals his plans to launch missiles at American targets, [[FalseFlagOperation tricking the US into attacking the Soviet Union in response]], resulting in millions of lives lost and Skull seizing control of what's left of society by anointing himself the "next Hitler", using stolen treasure to project legitimacy. When Smith rescues the Spider-Friends and Firestar redirects the missiles to Skull Island, Skull tries to rescue the treasure, even when Spider-Man offers to save him. After surviving, Skull kidnaps his arch-nemesis, Steve Rogers, intending to take over his superhuman body while trapping Rogers into Skull's disfigured body forever. When Spider-Man rescues Rogers, Skull tries to kill them both with a giant laser.
* ''WesternAnimation/SpiderManUnlimited'':

* ''WesternAnimation/UltimateAvengers'' duology: "[[TheHeavy Herr Kleiser]]", real name unknown, is a high-ranking general of the alien race known as the Chitauri, a race bent on dominating the Earth. First arriving on Earth and disguising himself as a [[ThoseWackyNazis Nazi general]], Kleiser quickly became feared for his cruelty and efficiency, in one notable instance slaughtering a squadron of Allied soldiers with a smile on his face, before [[NeckSnap snapping the lone survivor's neck]] just to torture his would-be rescuer, Captain America. After failing to annihilate Washington, D.C. with a nuclear missile, Kleiser later begins orchestrating attacks on the high-tech, African nation of Wakanda, resulting in the deaths of numerous citizens, before personally and sadistically killing the king of Wakanda, T'Chaka. Paving the way for the rest of the Chitauri to invade, Kleiser leads the assault on Wakanda, massacring many innocents, while the rest of the Chitauri wreak countless amounts of death and destruction worldwide. In the end, Kleiser duels with Captain America and T'Chaka's son, [[Characters/BlackPantherTitleCharacter T'Challa]], happily taunting them both about their loved ones' deaths at his hands. Showing a power-hungry sadism not displayed by any other Chitauri, [[AliensAreBastards Herr Kleiser]] was truly the worst alien or monster the Avengers ever encountered.
* ''WesternAnimation/WhatIf2021'':

* ''WesternAnimation/XMenEvolution'':

* [[Characters/MarvelComicsApocalypse Apocalypse]] is a would-be mutant conqueror who despises everything that isn't him and [[AGodAmI fancies himself a God]]. In his first appearance, he creates a device designed to take away people's free will and make them his slaves. He tricks four self-loathing mutants, including Warren "Angel" Worthington, into believing this will cure them of being mutants, preying on their feelings of inadequacy and subjecting them to torture to turn them into his Four HorsemenOfTheApocalypse. Apocalypse then orders his Horsemen to go on a worldwide genocidal rampage. In his next appearance, Apocalypse creates a plague designed to wipe out most humans and mutants. This plague furthers tensions between humans and mutants, with some humans blaming mutants for it, and creates a BadFuture, where mutants and humans alike are dying from this plague. Later Apocalypse manages to get hold of some time travel technology and uses it to travel to the Axis of Time, a interdenominational area that controls time itself and plans on destroying the time stream and [[OmnicidalManiac reality itself]], so that he can recreate it in his own image.

* [[PoliticallyIncorrectVillain Graydon Creed]] is the leader of the [[FantasticRacism anti-Mutant group]] the Friends of Humanity. Under Creed's orders, the Friends of Humanity attack halfway houses and other businesses and non-profit organizations that are sympathetic to mutants, even committing lynching. Creed even organizes an attack on a hospital for the blind, because the gentle, intelligent mutant Hank "Beast" [=McCoy=] works there to treat blind patients. Creed later admits he plans to [[FinalSolution commit genocide]] against mutants and takes part in Apocalypse's plague plot to wipe them out. When it is revealed that Creed is actually the [[BoomerangBigot son of Mystique and Sabretooth]], he tries to get back into the Friends of Humanity's good graces by devising a plan to murder [[{{Matricide}} his mother]] and his mutant siblings, Rogue and Nightcrawler.
* "The Phoenix Saga" 5-parter & "[[Recap/XMenS3E15OrphansEnd Orphan's End]]": [[TheCaligula Shi'ar Emperor D'Ken]] is the [[ArcVillain main antagonist]] of the Phoenix Saga, and makes use of his short screentime to be one of the series's worst villains. Already established as a tyrant who has killed millions in his quest for power, D'Ken is obsessed with obtaining the M'Kraan Crystal, a powerful object that will grant him immense power, and he goes to every means to obtain it, from trying to torture the information out of his own sister, Lillandra, to attempting to have a group of pirates willing to trade him for it all murdered [[YouHaveOutlivedYourUsefulness as soon as the deal is done]]. Once he obtains the Crystal, however, D'Ken reveals that he plans to [[OmnicidalManiac destroy every planet, galaxy, and even reality itself]], then rebuild it inside the M'Kraan Crystal and shape it [[InTheirOwnImage in his image]], at which point he will rule over it [[AGodAmI as the god he believes himself to be]]. As the X-Men attempt to thwart this plan, D'Ken gleefully toys with them rather than immediately killing them, and urges for them to watch as he painfully kills Lillandra, stating that they will be next. A completely demented dictator with delusions of grandeur, D'Ken would doom the entire universe to a cold, bleak death simply to [[ItsAllAboutMe satisfy his immense and petty ego]].

* "[[Recap/XMenS1E7SlaveIsland Slave Island]]" & "The Phalanx Covenant" 2-parter: Cameron Hodge started off as a [[FromNobodyToNightmare minor character]], who was revealed to an [[FantasticRacism anti-Mutant bigot]]. Hodge was an American liaison to the Genoshan government and was helping the Genoshan government [[SlaveryIsASpecialKindOfEvil enslave]] its mutant population. After Storm destroyed a dam the Genoshan government was building, Hodge was hit by a giant tidal wave, costing him AnArmAndALeg. Embittered by that experience, Hodge joined a government task force investigating UFO crash sites. At one such site, Hodge found [[TheAssimilator the Phalanx]], an alien organism that is a living virus. Hodge becomes a willing servant to the Phalanx, wanting to help it [[AssimilationPlot assimilate the human race]]. Hodge informs the Phalanx of the importance of capturing and assimilating mutants to increase its power. After the Phalanx captures Wolverine, Hodge has it assimilate Wolverine's skeleton to study him from the inside out. Hodge wants to help the Phalanx assimilate all organic life though out the universe, believing that the Phalanx will end organic reproduction and cleanse the universe of mutation, not caring that humanity will lose all [[TheEvilsOfFreeWill independent thought and freedom in the process]]. After the Phalanx is defeated, Hodge joins the government again and masterminds a plan to kidnap mutants and turn them into mind-controlled slaves.

* [[EvilutionaryBiologist Herbert Landon]] is a [[FantasticRacism rabid anti-mutant extremist]] who created a formula that destroyed mutant cells and killed any mutant exposed to it. His endgame was to market this formula to the public as a cure for mutants only to instead use it to [[FinalSolution wipe them all out]]. The first person Landon attempted to test out this formula on is his "old friend", Hank "Beast" [=McCoy=]. Thwarted in this endeavor, Landon would go on to work for [[Characters/MarvelComicsTheKingpin the Kingpin]], and performed various unsavory deeds such as forcibly converting Alistair Smythe into a cyborg slave and testing out a super soldier super serum by using [[ClassyCatBurglar Felicia Hardy]] as a guinea pig.

** [[EldritchAbomination The Dread Dormammu]] is a being who [[PlanetEater feeds upon entire universes]]. Having devoured countless others, Dormammu seeks to consume Spider-Man's, which is defended by the efforts of Dr. Strange. Having Baron Mordo form a cult to bring him through, Dormammu later helps mastermind the creation of Carnage to arrive on earth and consume the entire universe to feed his rapacious evil and hunger.

* ''[[https://www.youtube.com/watch?v=v2s21NfufLU Solarman]]'': [[BigBad Commander Gormagga Kraal]] is a power-hungry cyborg who destroys countless suns and planets to acquire enough power to [[GalacticConqueror conquer the universe]]. Setting his sights on the solar system's sun, Kraal cares nothing for the billions of human lives he'll decimate, and kills Dr. Sha-han for escaping with the Circlet, even [[BadBoss melting his robot henchman]] for letting him escape. When [[TheHero Benjamin Tucker]] is brought to him, Kraal suggests cutting the boy’s arm off to acquire the Circlet attached to it, before trying to kill Solarman and [[StarKilling destroy the sun]] himself.

** Terrax initially appears to be merely the {{Jerkass}} replacement as [[Characters/MarvelComicsHeraldsOfGalactus Galactus's Herald]] once [[Characters/SilverSurfer Silver Surfer]] defects to Earth, but reveals himself to be considerably worse. Starting as the [[EvilOverlord bloodthirsty tyrant]] Tyros, with an all-but-stated harem and a predilection for personally executing prisoners, he willingly sells out his planet and race--including his own family--to Galactus in exchange for the Power Cosmic, laughing and grinning as the destruction ensued. In "When Calls Galactus", Terrax grows envious of his master's power, longing to be a king once more, and deceives him into eating the poisonous planet Antos in [[TheStarscream an assassination attempt]], leaving him near-death; he then travels to Earth and holds the entirety of Manhattan hostage, forcing the Fantastic Four to fight and kill Galactus with the threat of suffocating the entire island if they refuse. When this takes too long, Terrax storms Galactus's ship in a final assassination attempt.

** "Prey of the Black Panther": Ulysses Klaw is a demented MadScientist who has proclaimed himself master of sound. Ten years ago, Klaw and his band of mercenaries discovered the hidden nation of Wakanda. Klaw demands the king of Wakanda, T'Chaka, gives him Wakanda's supply of vibranium, so he can power his [[SonicStunner sonic weapons]]. When T'Chaka refuses, [[YouKilledMyFather Klaw guns him down]] and orders his men to burn down a nearby village. Klaw threatens to murder to T'Chaka's young son T'Challa, but T'Challa takes Klaw's sonic weapon from him and uses it to drive Klaw away. Klaw returns 10 years later and begins to attack Wakanda with a machine that creates sonic creatures. Klaw intends to have these sonic creatures trample Wakanda into dust, so he can take the vibranium for himself. Klaw seemingly dies in a battle against the Fantastic Four and the Black Panther, but he survives and is transformed into a being made of sound. Klaw uses his new [[MakeSomeNoise sonic powers]] to attack the Black Panther and Fantastic Four, and attempts to destroy a village.

* ''WesternAnimation/TheIncredibleHulk1996'''s "Mind Over Anti-Matter": The [[VillainOfTheWeek unnamed alien entity]] was a powerful and boisterous being that searched for new realms to conquer and destroy. Setting its sights upon Earth, the entity fought [[Characters/MarvelComicsSorcererSupreme Doctor Strange]] amongst the ruins of the last world it laid waste to. After overpowering Strange, the being searched for a host body strong enough to contain its raw power. It found one in Bruce Banner and proceeded to [[GrandTheftMe take over his body]] and wreak havoc on his subconscious. It transformed Bruce into the Dark Hulk and went on a rampage across Manhattan, attacking anyone who stood in its way. The Dark Hulk invaded a military base and [[NukeEm armed a nuclear warhead]] to destroy the island of Manhattan. With a rap sheet spanning centuries, the alien entity's only goal was to have [[ForTheEvulz as much fun as possible]] while turning new worlds into lifeless husks.

** [[Characters/MarvelComicsUltron Ultron]] is a rogue A.I. obsessed with nothing less than the total extermination of not just the Avengers, but [[KillAllHumans all of humanity]]. After building the android Vision, Ultron first has him attack the envoy of the President of the United States, nearly killing both the President and his agents, then organizes the attempted mass shooting dozens of innocent people, children included. In another instance, after Vision has gained sapience and betrayed his evil ways, Ultron [[HostageSituation holds the comatose Wonder Man hostage]] to try to force the Avengers to destroy Vision's capacity for emotion and turn him back into his slave, after which Ultron tries to kill them all. In his crowing moment of villainy, after failing to [[NukeEm bombard the Earth with nuclear missiles]], Ultron attempts to spread a technovirus across the planet, then watch as every machine on Earth comes alive and wipes out every human they see, paving the way for Ultron's mechanical tyranny to begin.
** [[DiabolicalMastermind Cornelius van Lunt]], better known as [[OurMinotaursAreDifferent Taurus]], the merciless leader of [[TheOmniscientCouncilOfVagueness Zodiac]], first establishes his ruthlessness by ordering a minion cut apart into twelve pieces [[YouHaveFailedMe for his failure]]. A monstrous mastermind with a plan that involves splitting the Earth itself apart for the sake of power, through the course of the series Taurus regularly endangers millions of lives, from bombarding Earth with falling satellites and nuclear missiles, to having entire villages and towns wiped off the map by natural disasters, all of which he sees as mere collateral to his EvilPlan.

* [[AIIsACrapshoot Master Mold]] is the AI [[Characters/WolverineAndTheXMen2009MutantResponseDivision designed by Dr. Bolivar Trask]] to direct his Sentinels' efforts to contain mutants. [[BadFuture After the world is devastated by the Phoenix Force]] and a large portion of humanity is killed, [[TheComputerIsYourFriend Master Mold]] takes over and becomes a dictator. Master Mold has her Sentinels round up mutants and put them in detention camps. Master Mold has turned humans like Colonel Moss into cyborg slaves, having them work as guards in her camps. Powerful mutants are sent to labs to be experimented on, so the Sentinels can reproduce their powers, and are killed after the experimentation is done. Later Master Mold captures Professor Xavier, hooking him up to a Cerebro unit so she can locate every remaining mutant on the planet, planning to have her Sentinels kill them all. After that is done, Master Mold decides Xavier is no longer useful to her and [[YouHaveOutlivedYourUsefulness orders him to be killed]].

* [[Characters/MarvelComicsRedSkull Red Skull]], leader of ComicBook/{{HYDRA}} in UsefulNotes/WorldWarII, kidnapped mystical creatures to use them to kill the Allies. When the Nazis lost, Skull opted to kidnap Captain America's teen sidekick Bucky Barnes and torture and brainwash him into the amnesiac assassin the [[Characters/MarvelComicsBuckyBarnes Winter Soldier]], faking both their deaths. In modern times, Skull continues his dreams of conquest and hatred of Captain America by posing as the US Secretary of Defense, [[SignificantAnagram Dell Rusk]], in efforts to discredit the Avengers, as well as recruiting and even brainwashing other underlings. This culminates in Skull unleashing a chemical compound to kill the heroes and civilians; the chemical has been engineered to cause slow and painful death by making the victim's face turn into a grotesque parody of Skull's own. During a confrontation with a weakened Captain America, the Red Skull batters him before ordering Bucky to execute him, and attempts to kill Bucky when he gives the Captain the antidote. When that plot is foiled and the Red Skull is arrested, he has a backup plan by unleashing giant robots dubbed the Sleepers to be released onto the world, assembling and taking control of a giant mecha to go on a destructive rampage in Washington, D.C. as revenge. The Red Skull then reveals his intent to have Captain America brainwashed like Bucky before him.
* [[NaziNobleman Baron Heinrich Zemo]] took over as leader of HYDRA when Red Skull disappeared after World War II. During the war, Zemo attempted to unleash a deadly virus on the Allied forces, but was disfigured by his own virus in a skirmish against Captain America. In the present day, Zemo teamed up with [[MadScientist Arnim Zola]] to get revenge on Captain America, who had just awoken from the ice. After failing to get revenge, Zemo forms the [[Characters/TheAvengersEarthsMightiestHeroesMastersOfEvil Masters of Evil]], and then breaks into the Avengers' mansion and captures each of them one by one, promising to Captain America that he will execute his teammates while forcing him to watch. Later on, Zemo uses the [[AncientArtifact Norn Stones]] to mount an invasion force on Earth, betraying Enchantress in process, so he could rule alone. When the Enchantress began hunting down the Masters of Evil for their betrayal, Zemo callously abandons his teammates to their doom while going to the Avengers for protection. Confronting the Enchantress, Zemo attempts to use the last Norn Stone to [[ItsAllAboutMe save his own skin, even at the risk of destroying the universe]].

** [[SerialKiller Sublime and Kick]], aka the U-Men, make the most of their limited screen time to stand out as [[HumansAreTheRealMonsters truly horrifying monsters]]. A pair of [[FantasticRacism mutant-hating]] murderers, the U-Men are known for kidnapping mutants, specifically [[WouldHurtAChild young teens]], then sadistically butchering and vivisecting them, using their organs to upgrade their own cyborg army. Along with this, the U-Men test out an experimental serum on innocent mutants that transform them into abominations [[AndIMustScream in constant pain]]. When Kick fails at killing the X-Men, he wantonly opens fire on them along with the numerous teenagers and police officers in the area, trying to kill anyone he can. Sublime, having left Kick to his fate, returns with a powerful suit of armor and before blowing himself up in one last attempt on their lives. Both spend their last moments proclaiming their hatred and disgust for all mutantkind.

** [[Characters/MarvelComicsRedSkull Red Skull]], after his initial defeat, attacks the Avengers at their mansion. When that attack fails, Red Skull attempts to blow up the reactor at the Avengers Mansion, so that the Avengers will die and be blamed for an explosion that would kill countless civilians. Later, Red Skull forms a team of super villains known as the Cabal, to counter the Avengers and assist in his plans for conquest. While fighting with the Avengers to obtain [[CosmicKeystone the Tesseract]], Red Skull launches two missiles, possibly nuclear-tipped at both Los Angeles and Las Vegas, [[SadisticChoice forcing the Avengers to choose which city they would want to save]] and, even though both cities are saved, this distraction allows Skull to escape with the Tesseract. After obtaining the Tesseract, Red Skull decides [[YouHaveOutlivedYourUsefulness he doesn't need his allies anymore and attempts to murder them]]. Red Skull then uses the power of the Tesseract to launch attacks on several cities around the world at once, ultimately planning to burn down the old world, so that [[AGodAmI a new one can take its place]].

** [[BewareTheSuperman Hyperion]] is Nighthawk's right-hand and fellow leader of the Squadron Supreme, [[NotSoWellIntentionedExtremist motivated]] by [[ItsAllAboutMe his own massive ego that demands worship and love from everyone around him]]. Appearing in season 1 as a notable member of [[Characters/AvengersAssembleTheCabal the Cabal]], working with Red Skull to threaten countless lives while planning to betray his teammates at any given time, Hyperion reunites with Nighthawk and the Squadron Supreme in season 2, where he continues to regularly throw hundreds of innocents in harm's way to kill the Avengers. When the Squadron conquers Earth, Hyperion happily vaporizes people who stand up to him and tries to kill any resistant world leaders, before working with Nighthawk to initiate their plan to destroy Earth--just as they did to their former homeworld for resisting their rule--and move on to conquer and annihilate many more worlds in their path. Contrasting Nighthawk's cold ruthlessness with a [[PsychopathicManchild childish psychopathy]], Hyperion may have been one of the Avenger's most prevalent villains, but was ultimately just a petty bully with power.
** [[Characters/MarvelComicsUltron Ultron]] is a robotic intelligence designed by Tony Stark who [[TurnedAgainstTheirMasters rebelled against his creator]] to set his sights on godhood and genocide of the human race due to his sadistic superiority complex. Spending season 2 as a notable ArcVillain who tries to infect all of humanity with a technovirus that turns all life into extensions of himself, Ultron returns in season 3, killing the Scientist Supreme and taking up power as the BigBad of the season. Brutally torturing the Inhuman Black Bolt in hopes of amplifying his screams of pain into a sonic wave to wipe out all humans, Ultron later disguises himself as politician Truman March, using his position to frame the Inhumans as threats, mind control them into becoming terrorists, and order them all be rounded up for extermination. Hoping to kick off a race war between humans and Inhumans that will wipe them both out, Ultron's plans are exposed by the Avengers, leading the murderous machine to simply try to incinerate everything on the surface of Earth before bodyjacking Tony Stark and attempting to murder the Avengers while using Stark as a HumanShield.

** "[[Recap/UltimateSpiderManS4E8AntiVenom Anti-Venom]]" & "[[Recap/UltimateSpiderManS4E13TheSymbioteSagaPart1 The Symbiote Saga]]" [[Recap/UltimateSpiderManS4E14TheSymbioteSagaPart2 three]]-[[Recap/UltimateSpiderManS4E15TheSymbioteSagaPart3 parter]]: [[AdaptationalVillainy Michael Morbius]] is a ComicBook/{{Hydra}} scientist who is introduced as a new assistant of [[Characters/MarvelComicsOttoOctavius Doctor Octopus]] and who helps him create the Anti-Venom symbiote. After being promoted, Morbius uses the imprisoned Octopus as his lab assistant in creating the [[Characters/MarvelComicsCarnage Carnage]] symbiote, before trying to have him killed. After being mutated into a bat creature, Morbius uses MindControl technology to gain control over the Carnage queen, ordering her to kill friends of her host MJ. Morbius plans to spread the Carnage symbiote across the world and establish Hydra dominance.
** "[[Recap/UltimateSpiderManS4E16ReturnToTheSpiderVersePart1 Return]] to the [[Recap/UltimateSpiderManS4E17ReturnToTheSpiderVersePart2 Spider]]-[[Recap/UltimateSpiderManS4E18ReturnToTheSpiderVersePart3 Verse]]" [[Recap/UltimateSpiderManS4E19ReturnToTheSpiderVersePart4 arc]]: [[EvilCounterpart Wolf Spider]] is an evil alternate version of Peter Parker who decides to use his powers for evil instead of good. Declaring heroism and responsibility to be "pathetic ideals", he personally killed anyone who had believed in those ideals, [[HeroKiller including his world's Miles Morales]]. Upon discovering the existence of the other Spider-Verses through a shard of the Siege Perilous, Wolf Spider decides to use it to kill all of the other Spider-Men and conquer the multiverse. Forming a false alliance with the Lizard King, he attempts to kill Spider-Man and his friends in order to acquire the shards they had found. When this fails, he would later reappear in Kid Arachnid's dimension where he [[SadisticChoice threatened to kill his mother if Arachnid didn't surrender the shards to him]]. Upon acquiring the Siege Perilous, he lures Spider-Man and his friends to his lair, [[PersonOfMassDestruction leaving a trail of destruction behind in the process]], where they witness him [[LifeDrinker draining the life forces of the other Spider-Men]] to become stronger, before he attempts to drain them of their life forces as well. A ruthless, sadistic super villain who made his own name into a symbol of fear to the people of his world, Wolf Spider is the complete opposite of everything that Spider-Man stands for.

** The Mad Titan [[Characters/MarvelComicsThanos Thanos]] is a [[AdaptationalVillainy destruction-loving tyrant]] determined to [[GalacticConqueror conquer as much of the galaxy as possible]] and [[OmnicidalManiac annihilate the rest]]. A brutal warlord who has wiped out entire races, Thanos butchered Gamora's homeworld and enslaved her as one of his "children", performing horrible experiments on them all to make them his killing machines. In his quest for the Cosmic Seed in season 1, Thanos tries to annihilate a space station; tortures Peter Quill; and throws the lives of his own armies away in a mad scramble to use the Seed to terraform Earth and use it as a living weapon to conquer the galaxy. Having the Klyntar race and tortured many of its species into insanity, Thanos tries to spread the Klyntar across the galaxy to turn billions into Thanos's puppets, and later attempts to raze the surface of his homeworld of Titan when its inhabitants refuse to cow to him. Thanos's evil runs so deep that he laughs in glee when forced to relive his atrocities, and [[CardCarryingVillain proudly brags]] about his hand in the deaths of Drax and Groot's families.

** Season 3: [[CainAndAbel The Serpent is Odin's brother]], an ancient [[GodOfEvil evil god]] who seeks ultimate dominion over Asgard and [[OmnicidalManiac the destruction of all else in the universe]]. Orchestrating the kidnapping of hundreds of people, plunging them into comas and replacing them with his robotic Darkhawks from a prison Odin trapped him in, Serpent tries to blow up Asgard out of spite before escaping and [[ForcedToWatch making Odin watch]] as he nearly kills Odin's son Thor. Serpent soon enough takes control of the World Tree, using it to spreads spores that drain the life out of anything they consume, with which Serpent hopes to consume the life force of every planet and species across the cosmos until he reigns supreme as the only thing left alive, using his own family as [[LivingBattery living batteries]] to power himself up.

** [[Characters/MarvelComicsDoctorDoom Doctor Doom]], the ArchEnemy of the Fantastic Four, [[AdaptationalVillainy lacks the redeeming qualities of his original comic counterpart]]. [[CreateYourOwnHero Responsible for the incident that led to Fantastic Four getting their powers]], Doom later switched bodies with Reed Richards to ruin his reputation, to the point of deciding to overload the power core of Fantastic Four's base to destroy everything within several city blocks. Afterwards [[FrameUp framing Reed]] for supposedly "experimenting on his friends", Doom tried to use his inventions to unleash the energy of the Negative Zone upon New York, which threatened to kill thousands. In his most ambitious scheme, Doom stole Annihilus's power source and brought it to Earth, threatening to destroy the entire universe, solely so he could use it to conquer and destroy everything he sees. Despite losing the way of controlling the power source, Doom still clung to it, not caring that it was close to wiping out all life in the cosmos.

* ''WesternAnimation/IronManAndCaptainAmericaHeroesUnited'': [[Characters/MarvelComicsRedSkull Red Skull]] continues his track record of being a heartless monster. Having a penchant for MindRape, Red Skull brainwashes Taskmaster into becoming his slave, then orders him to capture Captain America. When several of Skull's minions are captured, Skull remotely mind-wipes them, leaving their personalities nothing more than blank slates. After capturing Captain America, Skull repeats his brainwashing process on him, [[BrainwashedAndCrazy turning him against his teammate]], Iron Man. Skull then reveals his master plan: Infect millions of innocent people with his mind-altering super soldier serum, which will turn them into mindless zombies whose only purpose will be to assist Red Skull in his plan to TakeOverTheWorld in the name of ComicBook/{{HYDRA}}.

** [[PsychopathicManchild Justin Hammer]] is a young [[ArmsDealer weapons manufacturer]] whose company [[CorruptCorporateExecutive Hammer Multinational]] is the main competitor to Stark International. Hammer hires the supervillain known as [[GadgeteerGenius Mr. Fix]] to work for him and later injects Fix with a [[ExplosiveLeash nano virus]] that will kill him if he disobeys Hammer. After Iron Man defeats Hammer's [[CompositeCharacter Titanium Man]] armor, Hammer blames Fix for the armor's failure and uses the nano virus to kill Fix's body, but uploads his mind into Hammer's computer systems, much to Fix's [[AndIMustScream dismay]]. After Stark International lands a big military contract, Hammer decides to get revenge by placing a control device on Stane's Iron Monger armor and sends Iron Monger on a rampage. Hammer tries to get Andros Stark killed and ensure creation of Vortex virus, because the coming RobotWar will cause him to get elected president. After receiving blackmail messages from an unknown party--actually sent by Mr. Fix.--Hammer becomes increasing paranoid. Hammer starts attacking anyone who he thinks may be responsible, including his own men. Hammer uses a new chemical weapon called Z Gas to turn crime boss Count Nefaria into a zombie and then kidnaps and tortures Killer Shrike, one of his former henchmen. Hammer then turns Shrike into a zombie. After Iron Man broadcasts evidence of Hammer's crimes across the globe, Hammer starts to lose it and plans to release the Z Gas on New York City.

** [[Characters/MarvelComicsRedSkull Red Skull]] has different motivations than usual, but as usual is still a monstrous, twisted maniac. Unlike most incarnations, who are obsessed with power and conquest, this Skull sticks out for being an [[CardCarryingVillain evil-loving]] sadist who wants nothing more than to prove, once and for all, that depravity can win over goodness. With this mindset, Skull [[BadBoss betrays his own allies]] and regularly tries to break the Avengers' spirits, all leading up to his master plan of blowing up the entire Earth in a suicidal mockery of all heroism and justice. Even when this is foiled, Skull continues to grow in wickedness by tricking the teen Hikaru into [[WouldHurtAChild painfully erasing his own free will and compassion]], before using the boy's declining life force as he catalyst to force the Avengers to fight to the death. After the Avengers outsmart him then demand he save Hikaru, Skull gleefully reveals that he knows of no cure, and used the prospect of one [[KickTheDog solely to see the sadness in their eyes when they learned the truth]].

* ''WesternAnimation/TheMarvelSuperHeroes'': [[Characters/MarvelComicsRedSkull Red Skull]], the vicious ArchEnemy of Captain America, is a villain so terrible that even the man who turned him [[FromNobodyToNightmare from a street rat]] into a [[NoSwastikas German terrorist]] fears that Red Skull may have designs on his life. Red Skull has annihilated entire armies and leveled cities to the ground, launching a series of attempted assassinations and even attempting to brainwash Captain America into killing America's military leader before his seeming death. Red Skull emerges two decades later to seize the Cosmic Cube, brainwashing its guardian before using its powers to erase him from existence as soon as his use expires. In between attempting to frame Captain America for the murder of an innocent man and toying with the minds of his own minions, Red Skull intends to use the Cube enslave the minds of all humanity and wage war upon the entire universe, having previously been willing to destroy the entire planet with his destructive Sleepers in the event of his own death to [[TakingYouWithMe drag humanity with him to the grave]].

** "[[Recap/SpiderMan1967S03E10RevoltInTheFifthDimension Revolt in the Fifth Dimension]]": [[DimensionLord Infinata]] is the evil ruler of the alternate dimension Dementia-Five. Discovering that the people of the planet of Gorth have learned his secrets and put them into their digital library, Infinata destroys Gorth in retaliation. A scientist escapes Gorth and goes to Earth, makes contact with Spider-Man, and gives the library. Infinata learns Spider-Man has the library and summons him to Dementia-Five, [[MindRape tormenting him with illusions]] to make him give up the library.

** Tie-in comic issue #5: [[MasterOfDisguise the Chameleon]] is a monstrous Bestial capable of changing his appearance to those he has murdered. To use this to his advantage, Chameleon systematically stalks and murders over a dozen innocent people, then uses their identities to commit crimes. After being stopped by Spider-Man during a bank robbery that nearly leaves several people dead, Chameleon boasts his plans to ruin Spider-Man's name and [[HopeCrusher crush the hope]] of his people by framing Spider-Man for the killings. Even in a world of dictators and monstrous symbiotes, the Chameleon stood out as a vile SerialKiller who disgusted Spider-Man more than any other villain he encountered.

** Duncan Matthews started off as a typical JerkJock, but become something far worse in his [[Recap/XMenEvolutionS4E5Uprising final appearance]]. After Jean Grey dumped him when he described her mutant gifts as a problem, Duncan slowly develops a [[FantasticRacism hatred of mutants]]. After graduating high school, Duncan got a job at a mining company and harassed mutants in his spare time. After trying to harass a couple of the younger X-Men students, former X-Men Spyke drives him off, destroying his car in the process. [[EvilIsPetty In revenge]], Duncan steals some mining equipment from his job and he and his friends attack the Morlocks, mutants who live under the sewers. Duncan and his gang throw bombs down the sewer, attempting to kill as many Morlocks as they can and then force the survivors to the surface, so Duncan and his gang can kill them with laser torches. While confronting Spyke, a mutant child named Leech intervenes, trying to protect Spyke, so Duncan decides to try and [[WouldHurtAChild shoot him]].

** Mesmero is a [[MindManipulation mind-controlling]] mutant and a servant of [[Characters/MarvelComicsApocalypse Apocalypse]]. Originally having limited mental powers, Apocalypse boosted his mental powers and promised him more if Mesero freed Apocalypse. Mesmero takes a job at the circus and encounters the X-Men. Mesmero torments Jean Grey with [[MindRape nightmares to break her will]] and make her his puppet. Mesmero forces Jean to mind control other teen X-Men, forcing them to steal 3 rings that serve as a key to the first door imprisoning Apocalypse. Mesmero forces the X-Men he mind controls to fight their teammates, while he escapes. Mesmero gets the second key by tricking Magneto into destroying a spider creature that was a guardian meant to keep Apocalpyse imprisoned. Later Mesmero allies with Mystique and take her to Apocalpsye's tomb and announces she is the third key. Mesmero tells Mystique to put her hand on the final door, which turns [[TakenForGranite her to stone]] and frees Apocalypse. Mesmero knows that Apocalypse will kill millions of people to [[WellIntentionedExtremist achieve his vision of a better world]] when freed, but does not care, wanting the power Apocalypse promised him.

-->-- ''WesternAnimation/SpiderManTheAnimatedSeries'', "[[Recap/SpiderManTheAnimatedSeriesS03E11VenomReturns Venom Returns]]", on '''[[Characters/CarnageCletusKasady the man]] who would become [[Characters/MarvelComicsCarnage Carnage]]'''

** [[EvilSorcerer Baron Mordo]] is a power-hungry sorcerer who seeks to unleash the Dread Dormammu onto his universe. Years ago trying and failing to murder the honorable Ancient One to assume his position, Mordo became [[TheDragon a servant]] to Dormammu and enacted such schemes as hypnotizing dozens of innocents into being his CannonFodder slaves to further his own goals. Eventually restoring [[Characters/VenomEddieBrock Eddie Brock]] into Venom and transforming Cletus Kasady into Carnage, Mordo unleashes the two to terrorize a science expo, try to kill Spider-Man, and [[VampiricDraining drain]] entire streets' worth of innocents of their life forces. Mordo's ultimate goal is to feed Dormammu a hefty number of souls to empower him in escaping his dimensional prison and devour Mordo's entire universe, while Mordo enjoys the destruction so long as it brings him power.
** "[[Recap/SpiderManTheAnimatedSeriesS03E11VenomReturns Venom Returns]]" & "[[Recap/SpiderManTheAnimatedSeriesS03E12Carnage Carnage]]": [[Characters/CarnageCletusKasady Cletus Kasady]] is [[AxCrazy a psychotic lunatic]] who starts by trying to use a bomb to kill himself and everyone within a 200-meter radius out of sadism. After joining Dormammu and bonding with the offspring of Eddie Brock's symbiote, Kasady uses his newfound power and connections to become [[Characters/MarvelComicsCarnage an even worse menace]]. First helping Venom steal an interdimensional probe, Kasady quickly displays contempt towards his "dad's" softness and tries to kill Venom multiple times for pettiness. Kasady would later steal the souls of numerous innocent people in order to summon Dormammu and [[OmnicidalManiac bring about the end of the world]]. Once Spider-Man defeats him by letting him be sucked into Dormammu's home dimension, Kasady attempts to grab Eddie Brock's LoveInterest, Dr. Ashley Kafka, to take her with him, and is only thwarted by Eddie sacrificing himself instead.

** [[Characters/VenomTheSymbiote The alien symbiote]] is a lifeform that feeds on emotions, and functions as Spider-Man's most personal enemy. Latching onto Spider-Man as a helpful "black suit", the symbiote slowly taints and infects the hero's personality, turning him into a crooked thug who hurts all his friends. When Spider-Man permanently removes it, the symbiote {{mind rape}}s him with memories of his Uncle Ben's death to break Spidey and control his "mind, body and soul". The symbiote later attaches itself to [[Characters/VenomEddieBrock Eddie Brock]] to corrupt and twist his mental instability into homicidal rage, merging with him to become "Venom". Venom attacks Spider-Man's loved ones; sets an apartment building aflame; and [[DrivenToMadness drives John Jameson insane]], intending to remove Spidey's powers and expose his identity so everyone he cares about will be targeted by all of his foes. [[{{Yandere}} Behaving like a spurned abuser rejected by its victim]], the symbiote is an evil stain that ruins everyone it touches while claiming to "love" them, and is always quick to ditch its broken host if it finds a better one.

!!''WesternAnimation/MarvelUniverseDisneyXD''

!!''WesternAnimation/MarvelUniverse''

[[AC:Marvel Animated Universe]]

[[AC:''WesternAnimation/XMenTheAnimatedSeries'']]

[[AC:Creator/ChristopherYost Verse]]

[[AC:''WesternAnimation/WolverineAndTheXMen2009'']]

[[AC:''Anime/MarvelAnime'']]

[[AC:''WesternAnimation/MarvelUniverse'']]

[[AC:Earth-12041 SharedUniverse]]

[[AC:Others]]

* ''Anime/MarvelAnimeWolverine'': [[SmugSnake Hideki Kurohagi]] is the main antagonist [[BigBadDuumvirate alongside Shingen]]. Having [[{{Patricide}} murdered his crime lord father]] to take his position, Kurohagi runs his criminal empire from the island of Madripoor, allowing crime to run rampant. Engaged to Shingen's daughter, Mariko, Kurohagi regularly abuses her, implicitly planning to [[MaritalRapeLicense rape her once they are married]]. When Logan tries to save Mariko, Kurohagi tries to kill him several times, even unleashing a giant robot without regard for the collateral damage it causes. Capturing Logan's partner, Yuki, and nearly strangling her to death while she is paralyzed, he later [[BadBoss executes one of his own henchmen]] with a painful neurotoxin. When the rebels try to end his tyranny, Kurohagi gives orders to kill them, including an unarmed teenage girl, and when confronted by Logan, Kurohagi holds Mariko at gunpoint and blows up an entire building full of dozens of people in an attempt to kill him.
* ''Anime/MarvelAnimeXMen'':

[[AC:''WesternAnimation/AvengersAssemble'']]
* [[Characters/MarvelComicsRedSkull Red Skull]], after his initial defeat, attacks the Avengers at their mansion. When that attack fails, Red Skull attempts to blow up the reactor at the Avengers Mansion, so that the Avengers will die and be blamed for an explosion that would kill countless civilians. Later, Red Skull forms a team of super villains known as the Cabal, to counter the Avengers and assist in his plans for conquest. While fighting with the Avengers to obtain [[CosmicKeystone the Tesseract]], Red Skull launches two missiles, possibly nuclear-tipped at both Los Angeles and Las Vegas, [[SadisticChoice forcing the Avengers to choose which city they would want to save]] and, even though both cities are saved, this distraction allows Skull to escape with the Tesseract. After obtaining the Tesseract, Red Skull decides [[YouHaveOutlivedYourUsefulness he doesn't need his allies anymore and attempts to murder them]]. Red Skull then uses the power of the Tesseract to launch attacks on several cities around the world at once, ultimately planning to burn down the old world, so that [[AGodAmI a new one can take its place]].
* [[AdaptationalVillainy Nighthawk]] is the primary threat of season 2, serving as the architect and mastermind behind the [[Characters/AvengersAssembleTheSquadronSupreme Squadron Supreme]] in his fanatical quest to satisfy his [[KnightTemplar insane ideals of order]]. Having worked with [[TheDragon Hyperion]] in forcing an innocent man to destroy their former planet when its people refused to cow to them, Nighthawk orchestrates a variety of attacks on Earth and the Avengers to weaken them and set the stage for the Squadron Supreme's domination, routinely threatening thousands of lives in the process. Though eventually conquering the planet and instituting his own brutal MartialLaw on millions of people, Nighthawk coldly works with Hyperion to destroy Earth when the Avengers thwart them, planning to abandon his allies to die on the planet while he finds a new world to start the conquering process on all over again, proving to everyone that despite his manipulative brilliance, he is nothing but a self-righteous mass murderer.
* [[BewareTheSuperman Hyperion]] is Nighthawk's right-hand and fellow leader of the Squadron Supreme, [[NotSoWellIntentionedExtremist motivated]] by [[ItsAllAboutMe his own massive ego that demands worship and love from everyone around him]]. Appearing in season 1 as a notable member of [[Characters/AvengersAssembleTheCabal the Cabal]], working with Red Skull to threaten countless lives while planning to betray his teammates at any given time, Hyperion reunites with Nighthawk and the Squadron Supreme in season 2, where he continues to regularly throw hundreds of innocents in harm's way to kill the Avengers. When the Squadron conquers Earth, Hyperion happily vaporizes people who stand up to him and tries to kill any resistant world leaders, before working with Nighthawk to initiate their plan to destroy Earth--just as they did to their former homeworld for resisting their rule--and move on to conquer and annihilate many more worlds in their path. Contrasting Nighthawk's cold ruthlessness with a [[PsychopathicManchild childish psychopathy]], Hyperion may have been one of the Avenger's most prevalent villains, but was ultimately just a petty bully with power.
* [[Characters/MarvelComicsUltron Ultron]] is a robotic intelligence designed by Tony Stark who [[TurnedAgainstTheirMasters rebelled against his creator]] to set his sights on godhood and genocide of the human race due to his sadistic superiority complex. Spending season 2 as a notable ArcVillain who tries to infect all of humanity with a technovirus that turns all life into extensions of himself, Ultron returns in season 3, killing the Scientist Supreme and taking up power as the BigBad of the season. Brutally torturing the Inhuman Black Bolt in hopes of amplifying his screams of pain into a sonic wave to wipe out all humans, Ultron later disguises himself as politician Truman March, using his position to frame the Inhumans as threats, mind control them into becoming terrorists, and order them all be rounded up for extermination. Hoping to kick off a race war between humans and Inhumans that will wipe them both out, Ultron's plans are exposed by the Avengers, leading the murderous machine to simply try to incinerate everything on the surface of Earth before bodyjacking Tony Stark and attempting to murder the Avengers while using Stark as a HumanShield.
* [[TheChessmaster N'Jadaka]] is the leader of [[Characters/AvengersAssembleTheShadowCouncil the Shadow Council]] and the BigBad of season 5. Formerly T'Challa's teacher, N'Jadaka believed that Wakanda's destiny was to conquer instead of making peace. Reforming the Shadow Council, he launched an attack during diplomatic talks with Atlantis that nearly destroyed the entire kingdom. [[ThatManIsDead Taking on the name Killmonger]], he attempted to [[ColonyDrop crash a satellite]] into the Wakandan Royal Palace and didn't care about the civilian casualties he would cause. Upon being betrayed by Baron Zemo, Killmonger had Madame Masque wrap him up in cables and toss him into the river to drown. He had Princess Zanda infiltrate the Avengers, and the two planned to sabotage the peace talks with Atlantis with another attack. Killmonger murdered Lord Attuma, and instigated war between the two kingdoms. After helping Bask usurp T'Challa for the throne of Wakanda, Killmonger built a cannon that she used to destroy Atlantis, despite his former teammate Tiger Shark [[YouHaveOutlivedYourUsefulness still remaining in the city]]. When Bask refused to fire upon the invading Atlantean forces out of concern for her people, N'Jadaka [[TheStarscream betrayed her]] and ordered the cannon to be fired anyway. Believing it was Wakanda's [[MightMakesRight right to rule the world]], N'Jadaka was willing to sacrifice anyone to get what he wanted.

[[AC:''WesternAnimation/GuardiansOfTheGalaxy2015'']]
* The Mad Titan [[Characters/MarvelComicsThanos Thanos]] is a [[AdaptationalVillainy destruction-loving tyrant]] determined to [[GalacticConqueror conquer as much of the galaxy as possible]] and [[OmnicidalManiac annihilate the rest]]. A brutal warlord who has wiped out entire races, Thanos butchered Gamora's homeworld and enslaved her as one of his "children", performing horrible experiments on them all to make them his killing machines. In his quest for the Cosmic Seed in season 1, Thanos tries to annihilate a space station; tortures Peter Quill; and throws the lives of his own armies away in a mad scramble to use the Seed to terraform Earth and use it as a living weapon to conquer the galaxy. Having the Klyntar race and tortured many of its species into insanity, Thanos tries to spread the Klyntar across the galaxy to turn billions into Thanos's puppets, and later attempts to raze the surface of his homeworld of Titan when its inhabitants refuse to cow to him. Thanos's evil runs so deep that he laughs in glee when forced to relive his atrocities, and [[CardCarryingVillain proudly brags]] about his hand in the deaths of Drax and Groot's families.
* [[KnightTemplar Ronan the Accuser]] is a fanatical, [[RogueAgent rogue Kree general]] seeking to cleanse the galaxy of all that he deems impure, and serves as the most recurring threat of season 1. Having carried out Thanos's will in incinerating Groot's race and killing Drax's family, Ronan ran GladiatorGames and slave camps until he was taken down by the Guardians of the Galaxy. Revived by [[TheDragon Nebula]], Ronan quickly takes to [[UngratefulBastard abusing and even attempting to kill the woman]] despite her loyalty, and immediately attempts to destroy the entire planet of Xandar. Later forcing Black Bolt to try to destroy his own people simply because Ronan finds them repulsive and attempting to kickstart a galaxy-wide war by killing hundreds of his own people and framing others for it, Ronan plans to obtain the Cosmic Seed and use it in a genocidal crusade against the galaxy, and nearly annihilates the entire Earth when the Seed is stolen from him by Thanos.
* [[NotSoWellIntentionedExtremist J'son of Spartax]] is the [[ArchnemesisDad abusive, treacherous father of Peter Quill]], using any and all resources at his disposal in his vision of ultimate power and order across the galaxy. Attempting to orchestrate a war between Spartax and Asgard for decades, J'son allies with Thanos and hands his own son Peter off to him to be tortured in exchange for the promise of Asgard's destruction. J'son used his time as [[EvilOverlord Emperor of Spartax]] to oppress and brutalize the populace, taking any dissenters and torturing them into members of his cult of loving followers, the Universal Believers, who J'son uses throughout season 2 to carry out a variety of crimes in his name, while sacrificing even the loyal [[TheDragon Mantis]] with casual indifference. Upon achieving godhood when merging with Adam Warlock, J'son dubs himself "the Magus" and begins targeting the homeworlds and loved ones of the Guardians of the Galaxy, hoping to destroy however many planets it takes before the galaxy worships him as a god. With a knack for trying to take hundreds of people down with him when beaten and cowardly using even [[WouldHurtAChild children]] as hostages to get his way, J'son contrasted his noble son Peter in every way imaginable.
* Season 3: [[CainAndAbel The Serpent is Odin's brother]], an ancient [[GodOfEvil evil god]] who seeks ultimate dominion over Asgard and [[OmnicidalManiac the destruction of all else in the universe]]. Orchestrating the kidnapping of hundreds of people, plunging them into comas and replacing them with his robotic Darkhawks from a prison Odin trapped him in, Serpent tries to blow up Asgard out of spite before escaping and [[ForcedToWatch making Odin watch]] as he nearly kills Odin's son Thor. Serpent soon enough takes control of the World Tree, using it to spreads spores that drain the life out of anything they consume, with which Serpent hopes to consume the life force of every planet and species across the cosmos until he reigns supreme as the only thing left alive, using his own family as [[LivingBattery living batteries]] to power himself up.

[[AC:Others]]

** "[[Recap/UltimateSpiderManS4E8AntiVenom Anti-Venom]]" & "[[Recap/UltimateSpiderManS4E13TheSymbioteSagaPart1 The]] Symbiote [[Recap/UltimateSpiderManS4E14TheSymbioteSagaPart2 Saga]]" three-[[Recap/UltimateSpiderManS4E15TheSymbioteSagaPart3 parter]]: [[AdaptationalVillainy Michael Morbius]] is a ComicBook/{{Hydra}} scientist who is introduced as a new assistant of [[Characters/MarvelComicsOttoOctavius Doctor Octopus]] and who helps him create the Anti-Venom symbiote. After being promoted, Morbius uses the imprisoned Octopus as his lab assistant in creating the [[Characters/MarvelComicsCarnage Carnage]] symbiote, before trying to have him killed. After being mutated into a bat creature, Morbius uses MindControl technology to gain control over the Carnage queen, ordering her to kill friends of her host MJ. Morbius plans to spread the Carnage symbiote across the world and establish Hydra dominance.
** "[[Recap/UltimateSpiderManS4E16ReturnToTheSpiderVersePart1 Return]] to [[Recap/UltimateSpiderManS4E17ReturnToTheSpiderVersePart2 the]] the Spider-[[Recap/UltimateSpiderManS4E18ReturnToTheSpiderVersePart3 Verse]]" [[Recap/UltimateSpiderManS4E19ReturnToTheSpiderVersePart4 arc]]: [[EvilCounterpart Wolf Spider]] is an evil alternate version of Peter Parker who decides to use his powers for evil instead of good. Declaring heroism and responsibility to be "pathetic ideals", he personally killed anyone who had believed in those ideals, [[HeroKiller including his world's Miles Morales]]. Upon discovering the existence of the other Spider-Verses through a shard of the Siege Perilous, Wolf Spider decides to use it to kill all of the other Spider-Men and conquer the multiverse. Forming a false alliance with the Lizard King, he attempts to kill Spider-Man and his friends in order to acquire the shards they had found. When this fails, he would later reappear in Kid Arachnid's dimension where he [[SadisticChoice threatened to kill his mother if Arachnid didn't surrender the shards to him]]. Upon acquiring the Siege Perilous, he lures Spider-Man and his friends to his lair, [[PersonOfMassDestruction leaving a trail of destruction behind in the process]], where they witness him [[LifeDrinker draining the life forces of the other Spider-Men]] to become stronger, before he attempts to drain them of their life forces as well. A ruthless, sadistic super villain who made his own name into a symbol of fear to the people of his world, Wolf Spider is the complete opposite of everything that Spider-Man stands for.

* ''WesternAnimation/MarvelsSpiderMan: [[https://www.youtube.com/watch?v=YSlzbxrg_Ns The Secret History of Venom]]'': [[GodOfEvil Knull]] is an [[AncientEvil ancient]], nearly immortal being whose existence predates the universe itself. Bearing a hatred of the Celestials for bringing light to the cosmos, Knull goes to war with them, creating the first four Klyntar to use as weapons to [[FinalSolution slay most of them in combat]] and plunge most of the universe into darkness. Preparing to return to the void of existence after his war ends, Knull [[YouHaveOutlivedYourUsefulness callously abandons his creations when their purpose is fulfilled]], seeing them as nothing more than mere tools and showing no concern for them as he leaves them for dead. Vicious, cruel, and controlling, Knull is one of the most vile beings in the universe and responsible for every planet dominated by the Klyntar following their turn to conquest.

->'''J. Jonah Jameson:''' How can one man hold the entire NYPD at bay like that?
->'''Joseph "Robbie" Robertson:''' Jonah, Kasady's not a man, he's a monster. He's done things even the Post wouldn't print.
-->--''WesternAnimation/SpiderManTheAnimatedSeries'', "[[Recap/SpiderManTheAnimatedSeriesS03E11VenomReturns Venom Returns]]", on '''[[Characters/CarnageCletusKasady the man]] who would become [[Characters/MarvelComicsCarnage Carnage]]'''

** "Return to the Spider-Verse" arc: [[EvilCounterpart Wolf Spider]] is an evil alternate version of Peter Parker who decides to use his powers for evil instead of good. Declaring heroism and responsibility to be "pathetic ideals", he personally killed anyone who had believed in those ideals, [[HeroKiller including his world's Miles Morales]]. Upon discovering the existence of the other Spider-Verses through a shard of the Siege Perilous, Wolf Spider decides to use it to kill all of the other Spider-Men and conquer the multiverse. Forming a false alliance with the Lizard King, he attempts to kill Spider-Man and his friends in order to acquire the shards they had found. When this fails, he would later reappear in Kid Arachnid's dimension where he [[SadisticChoice threatened to kill his mother if Arachnid didn't surrender the shards to him]]. Upon acquiring the Siege Perilous, he lures Spider-Man and his friends to his lair, [[PersonOfMassDestruction leaving a trail of destruction behind in the process]], where they witness him [[LifeDrinker draining the life forces of the other Spider-Men]] to become stronger, before he attempts to drain them of their life forces as well. A ruthless, sadistic super villain who made his own name into a symbol of fear to the people of his world, Wolf Spider is the complete opposite of everything that Spider-Man stands for.

** "Doorway to Destruction" two-part series premiere: [[NamesToRunAwayFromReallyFast Annihilus]] is the [[DimensionLord lord of the Negative Zone]], with a lust for expanding his rule of destruction until all universes are under his thrall. Opening a gateway to Hulk's hometown of Vista Verde, Annihilus begins sending brainwashed soldiers and his hordes of bugs to exterminate all life they see, and gets into a duel with Hulk during which he [[ElectricTorture tortures the hero with electricity]] to force him into succumbing to his rage. Annihilus plans to parade Hulk around as a failure to humankind before wiping out every person on Earth, planning to continue his "Annihilation Wave" until [[OmnicidalManiac all life on world after world is wiped out]], leaving the planets to be gutted of their resources by Annihilus's hordes.

* "Overflow": The [[DarkIsEvil Shadow King]], real name Amahl Farouk, is a cruel and merciless telepathic mutant who forced the young Storm to be a thief and would berate and threaten her if she did not bring back enough stolen goods. Xavier befriended Storm and defeated the Shadow King. Though his body was destroyed fighting Xavier, his evil spirit lived on and he gained the ability to [[DemonicPossession possess others and force them to do things against their will]]. When we first see Shadow King in the present, he has possessed a starving man in a desert. When another man comes to help this starving man, The Shadow King possesses the good Samaritan and leaves his original victim to die in the desert. Shadow King later possess Storm herself and forces her to use her WeatherManipulation powers to destroy all Africa, simply to spite her.

* "[[Recap/SpiderManTheAnimatedSeriesS03E01DoctorStrange Doctor Strange]]"; "[[Recap/SpiderManTheAnimatedSeriesS03E11VenomReturns Venom Returns]]"; "[[Recap/SpiderManTheAnimatedSeriesS03E12Carnage Carnage]]":

* "[[Recap/SpiderManTheAnimatedSeriesS03E11VenomReturns Venom Returns]]" & "[[Recap/SpiderManTheAnimatedSeriesS03E12Carnage Carnage]]": [[Characters/CarnageCletusKasady Cletus Kasady]] is [[AxCrazy a psychotic lunatic]] who starts by trying to use a bomb to kill himself and everyone within a 200-meter radius out of sadism. After joining Dormammu and bonding with the offspring of Eddie Brock's symbiote, Kasady uses his newfound power and connections to become [[Characters/MarvelComicsCarnage an even worse menace]]. First helping Venom steal an interdimensional probe, Kasady quickly displays contempt towards his "dad's" softness and tries to kill Venom multiple times for pettiness. Kasady would later steal the souls of numerous innocent people in order to summon Dormammu and [[OmnicidalManiac bring about the end of the world]]. Once Spider-Man defeats him by letting him be sucked into Dormammu's home dimension, Kasady attempts to grab Eddie Brock's LoveInterest, Dr. Ashley Kafka, to take her with him, and is only thwarted by Eddie sacrificing himself instead.

** [[PsychopathicManchild Justin Hammer]] is a young [[CorruptCorporateExecutive weapons manufacturer]] whose company [[ArmsDealer Hammer Multinational]] is the main competitor to Stark International. Hammer hires the supervillain known as [[GadgeteerGenius Mr. Fix]] to work for him and later injects Fix with a [[ExplosiveLeash nano virus]] that will kill him if he disobeys Hammer. After Iron Man defeats Hammer's [[CompositeCharacter Titanium Man]] armor, Hammer blames Fix for the armor's failure and uses the nano virus to kill Fix's body, but uploads his mind into Hammer's computer systems, much to Fix's [[AndIMustScream dismay]]. After Stark International lands a big military contract, Hammer decides to get revenge by placing a control device on Stane's Iron Monger armor and sends Iron Monger on a rampage. After receiving blackmail messages from an unknown party (actually sent by Mr. Fix.), Hammer becomes increasing paranoid. Hammer starts attacking anyone who he thinks may be responsible, including his own men. Hammer uses a new chemical weapon called Z Gas to turn crime boss Count Nefaria into a zombie and then kidnaps and tortures Killer Shrike, one of his former henchmen. Hammer then turns Shrike into a zombie. After Iron Man broadcasts evidence of Hammer's crimes across the globe, Hammer [[VillainousBreakdown starts to lose it]] and plans to release the Z Gas on New York City.

* ''Anime/{{Wolverine}}'': [[SmugSnake Hideki Kurohagi]] is the main antagonist [[BigBadDuumvirate alongside Shingen]]. Having [[{{Patricide}} murdered his crime lord father]] to take his position, Kurohagi runs his criminal empire from the island of Madripoor, allowing crime to run rampant. Engaged to Shingen's daughter, Mariko, Kurohagi regularly abuses her, implicitly planning to [[MaritalRapeLicense rape her once they are married]]. When Logan tries to save Mariko, Kurohagi tries to kill him several times, even unleashing a giant robot without regard for the collateral damage it causes. Capturing Logan's partner, Yuki, and nearly strangling her to death while she is paralyzed, he later [[BadBoss executes one of his own henchmen]] with a painful neurotoxin. When the rebels try to end his tyranny, Kurohagi gives orders to kill them, including an unarmed teenage girl, and when confronted by Logan, Kurohagi holds Mariko at gunpoint and blows up an entire building full of dozens of people in an attempt to kill him.
* ''Anime/XMen'':

** "[[Recap/WhatIfS1E8WhatIfUltronWon What If...Ultron Won?]]" & "[[Recap/WhatIfS1E9WhatIfTheWatcherBrokeHisOath What If...The Watcher Broke His Oath?]]": [[Characters/MCUUltron Infinity Ultron]] decides "peace" means [[OmnicidalManiac the eradication of all life]]. [[KillAllHumans Wiping out all of humankind]] with a [[NukeEm nuclear apocalypse]], Ultron kills [[Characters/MCUThanos Thanos]] and directs his attention to systematic genocide of all life in the universe. Once finished, Ultron recognizes the existence of the Multiverse itself and, armed with the Infinity Stones, attempts to completely purge every single universe of life for his own twisted aims.

** "[[Recap/WhatIfS1E1WhatIfCaptainCarterWereTheFirstAvenger What If...Captain Carter Were the First Avenger?]]": The [[Characters/MCURedSkull Red Skull]] faced by [[Characters/MCUPeggyCarter Captain Carter]] is just as evil as his [[Film/CaptainAmericaTheFirstAvenger Sacred Timeline]] counterpart. In this timeline, the Skull seeks [[TakeOverTheWorld global domination]] not by means of the Tesseract but by a dimensional portal through which he intends to summon an EldritchAbomination, risking the annihilation of the entire planet just so he can stand on top. Along the way, Red Skull indulges in familiar cruelties like gunning down old men and murdering his own allies, thoroughly proving that he has no loyalty to even the Reich.

* ''Spider Wars'' [[Recap/SpiderManTheAnimatedSeriesS05E12SpiderWarsPart1IReallyReallyHateClones two]]-[[Recap/SpiderManTheAnimatedSeriesS05E13SpiderWarsPart2FarewellSpiderMan part]] series finale:

->'''J. Jonah Jameson''': How can one man hold the entire NYPD at bay like that?
->'''Joseph "Robbie" Robertson''': Jonah, Kasady's not a man, he's a monster. He's done things even the Post wouldn't print.

* "The Phoenix Saga" 5-parter & "Orphan's End": [[TheCaligula Shi'ar Emperor D'Ken]] is the [[ArcVillain main antagonist]] of the Phoenix Saga, and makes use of his short screentime to be one of the series's worst villains. Already established as a tyrant who has killed millions in his quest for power, D'Ken is obsessed with obtaining the M'Kraan Crystal, a powerful object that will grant him immense power, and he goes to every means to obtain it, from trying to torture the information out of his own sister, Lillandra, to attempting to have a group of pirates willing to trade him for it all murdered [[YouHaveOutlivedYourUsefulness as soon as the deal is done]]. Once he obtains the Crystal, however, D'Ken reveals that he plans to [[OmnicidalManiac destroy every planet, galaxy, and even reality itself]], then rebuild it inside the M'Kraan Crystal and shape it [[InTheirOwnImage in his image]], at which point he will rule over it [[AGodAmI as the god he believes himself to be]]. As the X-Men attempt to thwart this plan, D'Ken gleefully toys with them rather than immediately killing them, and urges for them to watch as he painfully kills Lillandra, stating that they will be next. A completely demented dictator with delusions of grandeur, D'Ken would doom the entire universe to a cold, bleak death simply to [[ItsAllAboutMe satisfy his immense and petty ego]].
* [[AIIsACrapshoot Master Mold]] is the ultimate creation of Bolivar Trask, designed to mass-produce Sentinels to aid the nation of Genosha in enslaving mutants. Reasoning that mutants are humans, and therefore humans must be protected from themselves, Master Mold [[TurnedAgainstTheirMasters betrays his creators]] and has various world leaders kidnapped so he can remove their brains to turn them into robotic mouthpieces. Surviving into Bishop's BadFuture, Master Mold orders the elite Sentinel Nimrod and the time-traveling mutant slave Trevor Fitzroy to assassinate Charles Xavier before he can form the X-Men, turning the present into a war-torn hellscape and leaving Master Mold as the undisputed ruler of the world in the future. After the assassination is foiled, the Master Mold of the present kidnaps Xavier to take control of his psychic powers, gloating over the prospect of the greatest mutant mind being used to wipe out mutantkind. Dismissive towards the well-being of his human collaborators and desiring to rid the world of even loyal mutant slaves, [[NotSoWellIntentionedExtremist Master Mold]] lives up to Xavier's description as the living embodiment of everything evil and unjust about humanity.

* ''Spider Wars'' two-part series finale:

* ''WesternAnimation/IronMan'''s "Distant Boundaries": One-shot villain Dark Aegis outstripped any other villain in sheer monstrosity. A foe of Tony Stark, Dark Aegis hijacked one of Tony's satellites designed to destroy asteroids and intended to [[EarthShatteringKaboom turn its firepower upon the Earth]]. Tony managed to stop him and launched Dark Aegis into the depths of space, with him eventually landing on the planet Elysian. Drunk with his immense power and [[AGodAmI declaring himself a god]], Dark Aegis nuked the planet and slaughtered its inhabitants for being "grotesquely less than human". Promising Titanium Man upgraded weapons in exchange for luring Iron Man to the planet, Dark Aegis [[WeCanRuleTogether tried to convince Tony to join him]], promising him godhood in the process. Dark Aegis demonstrated his power by destroying two of Elysian's moons and requested Tony's help in destroying the planet's dual-suns. Titanium Man [[HeelFaceTurn ended up helping Stark and Rhodes fight Dark Aegis]] and [[HeroicSacrifice later gave his life to stop him for good]], as Titanium Man found that no weapon was worth the price of letting Dark Aegis live.

** [[DiabolicalMastermind Cornelius van Lunt]], better known as [[OurMinotaursAreDifferent Taurus]], the merciless leader of [[TheOmniscientCouncilOfVagueness Zodiac]], first establishes his ruthlessness by ordering a minion cut apart into twelve pieces [[YouHaveFailedMe for his failure]]. A monstrous mastermind with a plan that involves splitting the Earth itself apart for the sake of power, through the course of the series Taurus regularly endangers millions of lives, from bombarding Earth with falling satellites and nuclear missiles, to having entire villages and towns wiped off the map by natural disasters, all of which he sees as mere collateral to his EvilPlan.

* "Shades of Grey"; "Foresight" three-part series finale: [[Characters/WolverineAndTheXMen2009InnerCircle The Inner Circle]] is an evil group of mutants with a desire to use the Phoenix Force for power and selfishness. These two leaders are the vilest and they are the ones responsible for the Phoenix Force [[KillAllHumans destroying most of humanity]] and creating a BadFuture:

** [[GeniusBruiser Emil Blonsky]], the [[NamesToRunAwayFromReallyFast Abomination]], is Hulk's most personal, despicable ArchEnemy he faces in the series, defined by his vicious love of hurting others and tormenting Hulk. Having undergone Gamma treatments that turned him into a monster just to kill Hulk, Abomination escapes prison in his introductory episode and wastes no time in trying to kickstart a reactor meltdown to wipe out half of North America so he can frame the Hulk and his team for it. Returning later having somehow secured his position in the military once more, Abomination takes over Hulk's hometown of Vista Verde and threatens the citizens with gunfire before trying to murder the populace with a KillSat just to torment Hulk. Going on to try to initiate WorldWarIII and nuke millions of people for the sake of more power, Abomination eventually returns to his hometown and enslaves the population to bask in what little power he has left, even using his final moments in the series after being captured to blame all of his crimes on Red Hulk and get the hero executed.

* ''WesternAnimation/SpiderManAndHisAmazingFriends'' ("Quest of the Red Skull") & ''WesternAnimation/SpiderMan1981'' ("The Capture of Captain America"): [[VileVillainSaccharineShow Johann S(c)hmidt]], [[Characters/MarvelComicsRedSkull Red Skull]] himself, is an ex-Nazi official who seeks to initiate WorldWarIII. After stealing the Scorpio engraving, an artifact containing information regarding the whereabouts of hidden Nazi weaponry, from Professor Hiawatha Smith, Skull attempts to feed him to a python after declaring victory. When the Spider-Friends get involved and join Smith in South America, where the stash is hidden, Skull has them trapped underground and ambushed by a DrillTank. Finally capturing the heroes at Skull Island, Skull reveals his plans to launch missiles at American targets, [[FalseFlagOperation tricking the US into attacking the Soviet Union in response]], resulting in millions of lives lost and Skull seizing control of what's left of society by anointing himself the "next Hitler", using stolen treasure to project legitimacy. When Smith rescues the Spider-Friends and Firestar redirects the missiles to Skull Island, Skull tries to rescue the treasure, even when Spider-Man offers to save him. After surviving, Skull kidnaps his arch-nemesis, Steve Rogers, intending to take over his superhuman body while trapping Rogers into Skull's disfigured body forever. When Spider-Man rescues Rogers, Skull tries to kill them both with a giant laser.

Similar to [[Monster/MarvelComics the comics]], [[Creator/MarvelAnimation Marvel animated works]] feature some {{Complete Monster}}s.

[[AC:Marvel Animated Universe (''[[WesternAnimation/XMenTheAnimatedSeries X-Men]]''; ''[[WesternAnimation/SpiderManTheAnimatedSeries Spider-Man]]''; etc)]]
[[folder:''X-Men'']]

[[/folder]]

[[folder:''Spider-Man'']]

[[/folder]]

[[folder:Other Examples]]

* ''WesternAnimation/WolverineAndTheXMen2009'':
** [[AIIsACrapshoot Master Mold]] is the AI [[Characters/WolverineAndTheXMen2009MutantResponseDivision designed by Dr. Bolivar Trask]] to direct his Sentinels' efforts to contain mutants. [[BadFuture After the world is devastated by the Phoenix Force]] and a large portion of humanity is killed, [[TheComputerIsYourFriend Master Mold]] takes over and becomes a dictator. Master Mold has her Sentinels round up mutants and put them in detention camps. Master Mold has turned humans like Colonel Moss into cyborg slaves, having them work as guards in her camps. Powerful mutants are sent to labs to be experimented on, so the Sentinels can reproduce their powers, and are killed after the experimentation is done. Later Master Mold captures Professor Xavier, hooking him up to a Cerebro unit so she can locate every remaining mutant on the planet, planning to have her Sentinels kill them all. After that is done, Master Mold decides Xavier is no longer useful to her and [[YouHaveOutlivedYourUsefulness orders him to be killed]].
** "Overflow": The [[DarkIsEvil Shadow King]], real name Amahl Farouk, is a cruel and merciless telepathic mutant who forced the young Storm to be a thief and would berate and threaten her if she did not bring back enough stolen goods. Xavier befriended Storm and defeated the Shadow King. Though his body was destroyed fighting Xavier, his evil spirit lived on and he gained the ability to [[DemonicPossession possess others and force them to do things against their will]]. When we first see Shadow King in the present, he has possessed a starving man in a desert. When another man comes to help this starving man, The Shadow King possesses the good Samaritan and leaves his original victim to die in the desert. Shadow King later possess Storm herself and forces her to use her WeatherManipulation powers to destroy all Africa, simply to spite her.
** "Shades of Grey" & "Foresight" three-part finale: Sebastian Shaw and Selene (Gallio) are the leaders of the [[Characters/WolverineAndTheXMen2009InnerCircle Inner Circle]], a group dedicated to destroying the Phoenix Force, a potentially destructive cosmic entity, in order to save humanity. They send Emma Frost and her students, the Stepford Cuckoos, to Xavier's school to incapacitate Xavier and capture Jean Grey. Their psychic attack causes the Phoenix Force to go nuts and blow up the school, putting Xavier into a coma and giving Jean amnesia for most of the series. Emma tricks the X-Men into letting her join. At first she is just a spy, but she soon grows to care about the X-Men. The X-Men eventually find Jean, but Emma knocks them out and delivers Jean to the Inner Circle. However Shaw and Selene reveal [[NotSoWellIntentionedExtremist they do not plan to destroy the Phoenix]], but harvest its power for their own selfish purposes, endangering the whole planet just to satisfy their power lust. They plan to trick Jean into releasing the Phoenix Force and then having the Stepford Cuckoos absorb it, endangering their lives in the process. Selene also reveals to Cyclops that Emma was responsible for the explosion at the school, [[KickTheDog just to rub salt in Emma's wounds]]. After the Stepford Cuckoos absorb the Phoenix Force, Shaw orders them to kill all the X-Men and burn Genosha to the ground. Their actions lead to the Phoenix Force destroying most of humanity and setting up the BadFuture Xavier finds himself in, when he wakes up.
* ''WesternAnimation/TheAvengersEarthsMightiestHeroes'':
** [[Characters/MarvelComicsLoki Loki]] is the [[CainAndAbel evil stepbrother]] of Thor, and is responsible for most of the events that occurred in the first season. Instigating a war between Asgard and the Frost Giants, Loki leads the Frost Giants in conquering Asgard and attempts to kill his brother, only to be defeated and exiled. However, he then engineers a mass breakout in multiple S.H.I.E.L.D. prisons, letting loose the most dangerous and vile criminals on the planet so as to keep Thor distracted. Loki and his forces then proceed to conquer each of the Nine Realms, putting his father Odin into eternal slumber and stealing his power for himself, while putting those who resist his rule in chains. With the Enchantress acting on his orders, Loki planned to launch a massive invasion force on Earth but was thwarted by the Avengers. When Thor was captured, Loki tortures him with the Odinforce, sparing his brother's life solely so he could helplessly watch Loki triumph. In his confrontation with the Avengers, Loki began to [[SuperPowerMeltdown lose control]] over the Odinforce, but was willing to let his out-of-control power destroy all Nine Realms out of petty spite. When captured by his reawakened father, Loki showed no repentance for his crimes. With the Enchantress's help, Loki's spirit escapes imprisonment and possesses the powerful [[AnimatedArmor Destroyer Armor]], proceeding to hunt down the Avengers rendered powerless by the Enchantress's spell. A [[EvilIsPetty petty]] and [[AmbitionIsEvil power-hungry]] narcissist, Loki derails from his usual acts of mischief into outright evil simply to prove himself as [[TheResenter Thor's better]].
** [[Characters/MarvelComicsRedSkull Red Skull]], leader of ComicBook/{{HYDRA}} in UsefulNotes/WorldWarII, kidnapped mystical creatures to use them to kill the Allies. When the Nazis lost, Skull opted to kidnap Captain America's teen sidekick Bucky Barnes and torture and brainwash him into the amnesiac assassin the [[Characters/MarvelComicsBuckyBarnes Winter Soldier]], faking both their deaths. In modern times, Skull continues his dreams of conquest and hatred of Captain America by posing as the US Secretary of Defense , [[SignificantAnagram Dell Rusk]], in efforts to discredit the Avengers, as well as recruiting and even brainwashing other underlings. This culminates in Skull unleashing a chemical compound to kill the heroes and civilians; the chemical has been engineered to cause slow and painful death by making the victim's face turn into a grotesque parody of Skull's own. During a confrontation with a weakened Captain America, the Red Skull batters him before ordering Bucky to execute him, and attempts to kill Bucky when he gives the Captain the antidote. When that plot is foiled and the Red Skull is arrested, he has a backup plan by unleashing giant robots dubbed the Sleepers to be released onto the world, assembling and taking control of a giant mecha to go on a destructive rampage in Washington, D.C. as revenge. The Red Skull then reveals his intent to have Captain America brainwashed like Bucky before him.
** [[NaziNobleman Baron Heinrich Zemo]] took over as leader of HYDRA when Red Skull disappeared after World War II. During the war, Zemo attempted to unleash a deadly virus on the Allied forces, but was disfigured by his own virus in a skirmish against Captain America. In the present day, Zemo teamed up with [[MadScientist Arnim Zola]] to get revenge on Captain America, who had just awoken from the ice. After failing to get revenge, Zemo forms the [[Characters/TheAvengersEarthsMightiestHeroesMastersOfEvil Masters of Evil]], and then breaks into the Avengers' mansion and captures each of them one by one, promising to Captain America that he will execute his teammates while forcing him to watch. Later on, Zemo uses the [[AncientArtifact Norn Stones]] to mount an invasion force on Earth, betraying Enchantress in process, so he could rule alone. When the Enchantress began hunting down the Masters of Evil for their betrayal, Zemo callously abandons his teammates to their doom while going to the Avengers for protection. Confronting the Enchantress, Zemo attempts to use the last Norn Stone to [[ItsAllAboutMe save his own skin, even at the risk of destroying the universe]].
** [[OmnicidalManiac Surtur]] is the ruler of Muspelheim and lord of the Fire Demons. Sealed away by Odin many centuries ago, Surtur was freed when the Norn Stone connected to Muspelheim was stolen by Baron Zemo. Once freed, he began his mission to bring about [[{{Gotterdammerung}} Ragnarok]] and burn all the Nine Realms to ashes. Surtur arrived at Nidavellir to retrieve fragments of the Twilight Sword being held by the dwarves. He laid waste to Nidavellir, slaughtering most of the dwarf population in the process. Surtur later enslaved the Enchantress and forced her to do his bidding as his new Demon Queen. Surtur's forces terrorized the Korbinites while he used their Sun to reforge the Twilight Sword, and [[EarthShatteringKaboom wiped out their homeworld]] when it went [[StarKilling supernova]]. He possessed the Enchantress when she begged Thor to kill her and boasted how she was beyond Thor's help now. With a thirst for destruction so powerful not even Loki dared to invoke his wrath, Surtur's name was [[TheDreaded the most feared]] across all Nine Realms.

* ''WesternAnimation/AvengersAssemble'':
** [[Characters/MarvelComicsRedSkull Red Skull]], after his initial defeat, attacks the Avengers at their mansion. When that attack fails, Red Skull attempts to blow up the reactor at the Avengers Mansion, so that the Avengers will die and be blamed for an explosion that would kill countless civilians. Later, Red Skull forms a team of super villains known as the Cabal, to counter the Avengers and assist in his plans for conquest. While fighting with the Avengers to obtain [[CosmicKeystone the Tesseract]], Red Skull launches two missiles, possibly nuclear-tipped at both Los Angeles and Las Vegas, [[SadisticChoice forcing the Avengers to choose which city they would want to save]] and, even though both cities are saved, this distraction allows Skull to escape with the Tesseract. After obtaining the Tesseract, Red Skull decides [[YouHaveOutlivedYourUsefulness he doesn't need his allies anymore and attempts to murder them]]. Red Skull then uses the power of the Tesseract to launch attacks on several cities around the world at once, ultimately planning to burn down the old world, so that [[AGodAmI a new one can take its place]].
** [[AdaptationalVillainy Nighthawk]] is the primary threat of season 2, serving as the architect and mastermind behind the [[Characters/AvengersAssembleTheSquadronSupreme Squadron Supreme]] in his fanatical quest to satisfy his [[KnightTemplar insane ideals of order]]. Having worked with [[TheDragon Hyperion]] in forcing an innocent man to destroy their former planet when its people refused to cow to them, Nighthawk orchestrates a variety of attacks on Earth and the Avengers to weaken them and set the stage for the Squadron Supreme's domination, routinely threatening thousands of lives in the process. Though eventually conquering the planet and instituting his own brutal MartialLaw on millions of people, Nighthawk coldly works with Hyperion to destroy Earth when the Avengers thwart them, planning to abandon his allies to die on the planet while he finds a new world to start the conquering process on all over again, proving to everyone that despite his manipulative brilliance, he is nothing but a self-righteous mass murderer.
** [[BewareTheSuperman Hyperion]] is Nighthawk's right-hand and fellow leader of the Squadron Supreme, [[NotSoWellIntentionedExtremist motivated]] by [[ItsAllAboutMe his own massive ego that demands worship and love from everyone around him]]. Appearing in season 1 as a notable member of [[Characters/AvengersAssembleTheCabal the Cabal]], working with Red Skull to threaten countless lives while planning to betray his teammates at any given time, Hyperion reunites with Nighthawk and the Squadron Supreme in season 2, where he continues to regularly throw hundreds of innocents in harm's way to kill the Avengers. When the Squadron conquers Earth, Hyperion happily vaporizes people who stand up to him and tries to kill any resistant world leaders, before working with Nighthawk to initiate their plan to destroy Earth--just as they did to their former homeworld for resisting their rule--and move on to conquer and annihilate many more worlds in their path. Contrasting Nighthawk's cold ruthlessness with a [[PsychopathicManchild childish psychopathy]], Hyperion may have been one of the Avenger's most prevalent villains, but was ultimately just a petty bully with power.
** [[Characters/MarvelComicsUltron Ultron]] is a robotic intelligence designed by Tony Stark who [[TurnedAgainstTheirMasters rebelled against his creator]] to set his sights on godhood and genocide of the human race due to his sadistic superiority complex. Spending season 2 as a notable ArcVillain who tries to infect all of humanity with a technovirus that turns all life into extensions of himself, Ultron returns in season 3, killing the Scientist Supreme and taking up power as the BigBad of the season. Brutally torturing the Inhuman Black Bolt in hopes of amplifying his screams of pain into a sonic wave to wipe out all humans, Ultron later disguises himself as politician Truman March, using his position to frame the Inhumans as threats, mind control them into becoming terrorists, and order them all be rounded up for extermination. Hoping to kick off a race war between humans and Inhumans that will wipe them both out, Ultron's plans are exposed by the Avengers, leading the murderous machine to simply try to incinerate everything on the surface of Earth before bodyjacking Tony Stark and attempting to murder the Avengers while using Stark as a HumanShield.
** [[TheChessmaster N'Jadaka]] is the leader of [[Characters/AvengersAssembleTheShadowCouncil the Shadow Council]] and the BigBad of season 5. Formerly T'Challa's teacher, N'Jadaka believed that Wakanda's destiny was to conquer instead of making peace. Reforming the Shadow Council, he launched an attack during diplomatic talks with Atlantis that nearly destroyed the entire kingdom. [[ThatManIsDead Taking on the name Killmonger]], he attempted to [[ColonyDrop crash a satellite]] into the Wakandan Royal Palace and didn't care about the civilian casualties he would cause. Upon being betrayed by Baron Zemo, Killmonger had Madame Masque wrap him up in cables and toss him into the river to drown. He had Princess Zanda infiltrate the Avengers, and the two planned to sabotage the peace talks with Atlantis with another attack. Killmonger murdered Lord Attuma, and instigated war between the two kingdoms. After helping Bask usurp T'Challa for the throne of Wakanda, Killmonger built a cannon that she used to destroy Atlantis, despite his former teammate Tiger Shark [[YouHaveOutlivedYourUsefulness still remaining in the city]]. When Bask refused to fire upon the invading Atlantean forces out of concern for her people, N'Jadaka [[TheStarscream betrayed her]] and ordered the cannon to be fired anyway. Believing it was Wakanda's [[MightMakesRight right to rule the world]], N'Jadaka was willing to sacrifice anyone to get what he wanted.

* ''WesternAnimation/GuardiansOfTheGalaxy2015'':
** The Mad Titan [[Characters/MarvelComicsThanos Thanos]] is a [[AdaptationalVillainy destruction-loving tyrant]] determined to [[GalacticConqueror conquer as much of the galaxy as possible]] and [[OmnicidalManiac annihilate the rest]]. A brutal warlord who has wiped out entire races, Thanos butchered Gamora's homeworld and enslaved her as one of his "children", performing horrible experiments on them all to make them his killing machines. In his quest for the Cosmic Seed in season 1, Thanos tries to annihilate a space station; tortures Peter Quill; and throws the lives of his own armies away in a mad scramble to use the Seed to terraform Earth and use it as a living weapon to conquer the galaxy. Having the Klyntar race and tortured many of its species into insanity, Thanos tries to spread the Klyntar across the galaxy to turn billions into Thanos's puppets, and later attempts to raze the surface of his homeworld of Titan when its inhabitants refuse to cow to him. Thanos's evil runs so deep that he laughs in glee when forced to relive his atrocities, and [[CardCarryingVillain proudly brags]] about his hand in the deaths of Drax and Groot's families.
** [[KnightTemplar Ronan the Accuser]] is a fanatical, [[RogueAgent rogue Kree general]] seeking to cleanse the galaxy of all that he deems impure, and serves as the most recurring threat of season 1. Having carried out Thanos's will in incinerating Groot's race and killing Drax's family, Ronan ran GladiatorGames and slave camps until he was taken down by the Guardians of the Galaxy. Revived by [[TheDragon Nebula]], Ronan quickly takes to [[UngratefulBastard abusing and even attempting to kill the woman]] despite her loyalty, and immediately attempts to destroy the entire planet of Xandar. Later forcing Black Bolt to try to destroy his own people simply because Ronan finds them repulsive and attempting to kickstart a galaxy-wide war by killing hundreds of his own people and framing others for it, Ronan plans to obtain the Cosmic Seed and use it in a genocidal crusade against the galaxy, and nearly annihilates the entire Earth when the Seed is stolen from him by Thanos.
** [[NotSoWellIntentionedExtremist J'son of Spartax]] is the [[ArchnemesisDad abusive, treacherous father of Peter Quill]], using any and all resources at his disposal in his vision of ultimate power and order across the galaxy. Attempting to orchestrate a war between Spartax and Asgard for decades, J'son allies with Thanos and hands his own son Peter off to him to be tortured in exchange for the promise of Asgard's destruction. J'son used his time as [[EvilOverlord Emperor of Spartax]] to oppress and brutalize the populace, taking any dissenters and torturing them into members of his cult of loving followers, the Universal Believers, who J'son uses throughout season 2 to carry out a variety of crimes in his name, while sacrificing even the loyal [[TheDragon Mantis]] with casual indifference. Upon achieving godhood when merging with Adam Warlock, J'son dubs himself "the Magus" and begins targeting the homeworlds and loved ones of the Guardians of the Galaxy, hoping to destroy however many planets it takes before the galaxy worships him as a god. With a knack for trying to take hundreds of people down with him when beaten and cowardly using even [[WouldHurtAChild children]] as hostages to get his way, J'son contrasted his noble son Peter in every way imaginable.
** Season 3: [[CainAndAbel The Serpent is Odin's brother]], an ancient [[GodOfEvil evil god]] who seeks ultimate dominion over Asgard and [[OmnicidalManiac the destruction of all else in the universe]]. Orchestrating the kidnapping of hundreds of people, plunging them into comas and replacing them with his robotic Darkhawks from a prison Odin trapped him in, Serpent tries to blow up Asgard out of spite before escaping and [[ForcedToWatch making Odin watch]] as he nearly kills Odin's son Thor. Serpent soon enough takes control of the World Tree, using it to spreads spores that drain the life out of anything they consume, with which Serpent hopes to consume the life force of every planet and species across the cosmos until he reigns supreme as the only thing left alive, using his own family as [[LivingBattery living batteries]] to power himself up.

* ''WesternAnimation/TheIncredibleHulk1996'''s "Mind Over Anti-Matter": The [[VillainOfTheWeek unnamed alien entity]] was a powerful and boisterous being that searched for new realms to conquer and destroy. Setting its sights upon Earth, the entity fought [[Characters/DoctorStrangeStephenStrange Doctor Strange]] amongst the ruins of the last world it laid waste to. After overpowering Strange, the being searched for a host body strong enough to contain its raw power. It found one in Bruce Banner and proceeded to [[GrandTheftMe take over his body]] and wreak havoc on his subconscious. It transformed Bruce into the Dark Hulk and went on a rampage across Manhattan, attacking anyone who stood in its way. The Dark Hulk invaded a military base and [[NukeEm armed a nuclear warhead]] to destroy the island of Manhattan. With a rap sheet spanning centuries, the alien entity's only goal was to have [[ForTheEvulz as much fun as possible]] while turning new worlds into lifeless husks.

* ''WesternAnimation/FantasticFour'':
** Terrax initially appears to be merely the {{Jerkass}} replacement as [[Characters/MarvelComicsHeraldsOfGalactus Galactus's Herald]] once ComicBook/SilverSurfer defects to Earth, but reveals himself to be considerably worse. Starting as the [[EvilOverlord bloodthirsty tyrant]] Tyros, with an all-but-stated harem and a predilection for personally executing prisoners, he willingly sells out his planet and race--including his own family--to Galactus in exchange for the Power Cosmic, laughing and grinning as the destruction ensued. In "When Calls Galactus", Terrax grows envious of his master's power, longing to be a king once more, and deceives him into eating the poisonous planet Antos in [[TheStarscream an assassination attempt]], leaving him near-death; he then travels to Earth and holds the entirety of Manhattan hostage, forcing the Fantastic Four to fight and kill Galactus with the threat of suffocating the entire island if they refuse. When this takes too long, Terrax storms Galactus's ship in a final assassination attempt.

[[caption-width-right:350:"Now ends the Avengers!"]]

Entries in each folder (except "Others") are by air date/release date.

[[AC:Marvel Animated Universe]]
[[folder:Examples]]

* ''WesternAnimation/XMenTheAnimatedSeries'':
** [[Characters/MarvelComicsApocalypse Apocalypse]] is a would-be mutant conqueror who despises everything that isn't him and [[AGodAmI fancies himself a God]]. In his first appearance, he creates a device designed to take away people's free will and make them his slaves. He tricks four self-loathing mutants, including Warren "Angel" Worthington, into believing this will cure them of being mutants, preying on their feelings of inadequacy and subjecting them to torture to turn them into his Four HorsemenOfTheApocalypse. Apocalypse then orders his Horsemen to go on a worldwide genocidal rampage. In his next appearance, Apocalypse creates a plague designed to wipe out most humans and mutants. This plague furthers tensions between humans and mutants, with some humans blaming mutants for it, and creates a BadFuture, where mutants and humans alike are dying from this plague. Later Apocalypse manages to get hold of some time travel technology and uses it to travel to the Axis of Time, a interdenominational area that controls time itself and plans on destroying the time stream and [[OmnicidalManiac reality itself]], so that he can recreate it in his own image.
** [[Characters/MarvelComicsSabretooth Sabretooth]], renamed [[AdaptationNameChange Graydon Creed Sr.]], is Wolverine's former partner in a special forces unit turned ArchEnemy. After the unit was overwhelmed by the monstrous cyborg Omega Red, Sabretooth abandoned them to die without a second thought. When Magneto hires Sabretooth to infiltrate Xavier's school, Sabretooth pretends to be protesting at Beast's trial to gain the X-Men's trust. As Xavier attempts to help Sabretooth deal with his inner demons, Sabretooth tricks Jubilee into loosening his restraints, and then [[UngratefulBastard attempts to murder her]]. Sabretooth later kidnaps the members of the village while Wolverine is distracted and straps bombs to them in order to draw Wolverine out and force him to fight. After the Friends of Humanity left his son, Graydon Jr., at his mercy, Sabretooth wasted no time preparing to [[OffingTheOffspring kill him]].
** [[PoliticallyIncorrectVillain Graydon Creed]] is the leader of the [[FantasticRacism anti-Mutant group]] the Friends of Humanity. Under Creed's orders, the Friends of Humanity attack halfway houses and other businesses and non-profit organizations that are sympathetic to mutants, even committing lynching. Creed even organizes an attack on a hospital for the blind, because the gentle, intelligent mutant Hank "Beast" [=McCoy=] works there to treat blind patients. Creed later admits he plans to [[FinalSolution commit genocide]] against mutants and takes part in Apocalypse's plague plot to wipe them out. When it is revealed that Creed is actually the [[BoomerangBigot son of Mystique and Sabretooth]], he tries to get back into the Friends of Humanity's good graces by devising a plan to murder [[{{Matricide}} his mother]] and his mutant siblings, Rogue and Nightcrawler.
** [[TheCaligula Shi'ar Emperor D'Ken]] is the [[ArcVillain main antagonist]] of the Phoenix Saga, and makes use of his short screentime to be one of the series's worst villains. Already established as a tyrant who has killed millions in his quest for power, D'Ken is obsessed with obtaining the M'Kraan Crystal, a powerful object that will grant him immense power, and he goes to every means to obtain it, from trying to torture the information out of his own sister, Lillandra, to attempting to have a group of pirates willing to trade him for it all murdered [[YouHaveOutlivedYourUsefulness as soon as the deal is done]]. Once he obtains the Crystal, however, D'Ken reveals that he plans to [[OmnicidalManiac destroy every planet, galaxy, and even reality itself]], then rebuild it inside the M'Kraan Crystal and shape it [[InTheirOwnImage in his image]], at which point he will rule over it [[AGodAmI as the god he believes himself to be]]. As the X-Men attempt to thwart this plan, D'Ken gleefully toys with them rather than immediately killing them, and urges for them to watch as he painfully kills Lillandra, stating that they will be next. A completely demented dictator with delusions of grandeur, D'Ken would doom the entire universe to a cold, bleak death simply to [[ItsAllAboutMe satisfy his immense and petty ego]].
** "[[Recap/XMenS2E4RedDawn Red Dawn]]" & "[[Recap/XMenS4E2ADealWithTheDevil A Deal with the Devil]]": [[AxCrazy Omega Red]] is a [[SociopathicSoldier sociopathic former soldier]] of the Soviet Union who was turned into a SuperSoldier by his superiors, whom he attempted to betray before being locked away. Released from his confinement 25 years later by Russian generals seeking to conquer their homeland, Omega Red happily leads brutal assaults on many cities, throwing the survivors into prison camps, after which he attempts to kill the current leaders of the Russian government. When the X-Men arrive to stop him, Omega Red takes the [[WouldHurtAChild little sister]] of Colossus hostage, sadistically [[VampiricDraining draining her life force]] in front of him. Frozen after failing to kill survivors of his attacks, Omega Red is unthawed by the US government, who send him to recover a submarine carrying nuclear missiles. There, he betrays his allies and tries to [[NukeEm fire the nuclear warheads at 15 of the world's largest cities]] and conquer whatever of humanity is left. After being defeated, Omega decides to settle with "simply" wiping out Hawaii just to spite the X-Men. A fanatical madman convinced that the Soviet Union is the pinnacle of human civilization, Omega Red represents the mass-murdering mania that the Soviet Union was known for.
** "[[Recap/XMenS1E7SlaveIsland Slave Island]]" & "The Phalanx Covenant" 2-parter: Cameron Hodge started off as a [[FromNobodyToNightmare minor character]], who was revealed to an [[FantasticRacism anti-Mutant bigot]]. Hodge was an American liaison to the Genoshan government and was helping the Genoshan government [[SlaveryIsASpecialKindOfEvil enslave]] its mutant population. After Storm destroyed a dam the Genoshan government was building, Hodge was hit by a giant tidal wave, costing him AnArmAndALeg. Embittered by that experience, Hodge joined a government task force investigating UFO crash sites. At one such site, Hodge found [[TheAssimilator the Phalanx]], an alien organism that is a living virus. Hodge becomes a willing servant to the Phalanx, wanting to help it [[AssimilationPlot assimilate the human race]]. Hodge informs the Phalanx of the importance of capturing and assimilating mutants to increase its power. After the Phalanx captures Wolverine, Hodge has it assimilate Wolverine's skeleton to study him from the inside out. Hodge wants to help the Phalanx assimilate all organic life though out the universe, believing that the Phalanx will end organic reproduction and cleanse the universe of mutation, not caring that humanity will lose all [[TheEvilsOfFreeWill independent thought and freedom in the process]]. After the Phalanx is defeated, Hodge joins the government again and masterminds a plan to kidnap mutants and turn them into mind-controlled slaves.

* ''WesternAnimation/SpiderManTheAnimatedSeries'':
** [[EvilutionaryBiologist Herbert Landon]] is a [[FantasticRacism rabid anti-mutant extremist]] who created a formula that destroyed mutant cells and killed any mutant exposed to it. His endgame was to market this formula to the public as a cure for mutants only to instead use it to [[FinalSolution wipe them all out]]. The first person Landon attempted to test out this formula on is his "old friend", Hank "Beast" [=McCoy=]. Thwarted in this endeavor, Landon would go on to work for [[Characters/MarvelComicsTheKingpin the Kingpin]], and performed various unsavory deeds such as forcibly converting Alistair Smythe into a cyborg slave and testing out a super soldier super serum by using [[ClassyCatBurglar Felicia Hardy]] as a guinea pig.
** "[[Recap/SpiderManTheAnimatedSeriesS03E01DoctorStrange Doctor Strange]]"; "[[Recap/SpiderManTheAnimatedSeriesS03E11VenomReturns Venom Returns]]"; "[[Recap/SpiderManTheAnimatedSeriesS03E12Carnage Carnage]]":
*** [[EldritchAbomination The Dread Dormammu]] is a being who [[PlanetEater feeds upon entire universes]]. Having devoured countless others, Dormammu seeks to consume Spider-Man's, which is defended by the efforts of Dr. Strange. Having Baron Mordo form a cult to bring him through, Dormammu later helps mastermind the creation of Carnage to arrive on earth and consume the entire universe to feed his rapacious evil and hunger.
*** [[EvilSorcerer Baron Mordo]] is a power-hungry sorcerer who seeks to unleash the Dread Dormammu onto his universe. Years ago trying and failing to murder the honorable Ancient One to assume his position, Mordo became [[TheDragon a servant]] to Dormammu and enacted such schemes as hypnotizing dozens of innocents into being his CannonFodder slaves to further his own goals. Eventually restoring [[Characters/VenomEddieBrock Eddie Brock]] into Venom and transforming Cletus Kasady into Carnage, Mordo unleashes the two to terrorize a science expo, try to kill Spider-Man, and [[VampiricDraining drain]] entire streets' worth of innocents of their life forces. Mordo's ultimate goal is to feed Dormammu a hefty number of souls to empower him in escaping his dimensional prison and devour Mordo's entire universe, while Mordo enjoys the destruction so long as it brings him power.
** "[[Recap/SpiderManTheAnimatedSeriesS03E11VenomReturns Venom Returns]]" & "[[Recap/SpiderManTheAnimatedSeriesS03E12Carnage Carnage]]": [[Characters/CarnageCletusKasady Cletus Kasady]] is [[AxCrazy a psychotic lunatic]] who starts by trying to use a bomb to kill himself and everyone within a 200-meter radius out of sadism. After joining Dormammu and bonding with the offspring of Eddie Brock's symbiote, Kasady uses his newfound power and connections to become [[Characters/MarvelComicsCarnage an even worse menace]]. First helping Venom steal an interdimensional probe, Kasady quickly displays contempt towards his "dad's" softness and tries to kill Venom multiple times for pettiness. Kasady would later steal the souls of numerous innocent people in order to summon Dormammu and [[OmnicidalManiac bring about the end of the world]]. Once Spider-Man defeats him by letting him be sucked into Dormammu's home dimension, Kasady attempts to grab Eddie Brock's LoveInterest, Dr. Ashley Kafka, to take her with him, and is only thwarted by Eddie sacrificing himself instead.
** ''Spider Wars'' two-part series finale:
*** The alternate reality [[Characters/MarvelComicsCarnage Carnage symbiote]] possesses the [[WoobieDestroyerOfWorlds clone Peter Parker]], twisting and destroying his mind into a hateful thing who sends Hobgoblin and Green Goblin to annihilate New York. Carnage intends on installing a device to cause a chain reaction that will [[OmnicidalManiac annihilate the entire multiverse]], convincing its host that this is the only way to escape his horrible pain and torment.
*** "I Really, Really Hate Clones" only: The alternate reality [[Characters/SpiderManGoblins Hobgoblin]], working for Spider-Carnage, gleefully [[VillainTeamUp partners with the Green Goblin]] to burn New York to ashes, showcasing the city as a burnt-out wasteland with the Hobgoblin happily raining destruction upon all he can. Cornering the Daily Bugle, the Hobgoblin tries to murder Robbie Robertson and J. Jonah Jameson to set up what he thinks is a device to rob all mankind of free will.

** [[AIIsACrapshoot Ultron]] is a rogue A.I. obsessed with nothing less than the total extermination of not just the Avengers, but [[KillAllHumans all of humanity]]. After building the android Vision, Ultron first has him attack the envoy of the President of the United States, nearly killing both the President and his agents, then organizes the attempted mass shooting dozens of innocent people, children included. In another instance, after Vision has gained sapience and betrayed his evil ways, Ultron [[HostageSituation holds the comatose Wonder Man hostage]] to try to force the Avengers to destroy Vision's capacity for emotion and turn him back into his slave, after which Ultron tries to kill them all. In his crowing moment of villainy, after failing to [[NukeEm bombard the Earth with nuclear missiles]], Ultron attempts to spread a technovirus across the planet, then watch as every machine on Earth comes alive and wipes out every human they see, paving the way for Ultron's mechanical tyranny to begin.

** [[AIIsACrapshoot Master Mold]] is the AI designed by Dr. Bolivar Trask to direct his Sentinels' efforts to contain mutants. [[BadFuture After the world is devastated by the Phoenix Force]] and a large portion of humanity is killed, [[TheComputerIsYourFriend Master Mold]] takes over and becomes a dictator. Master Mold has her Sentinels round up mutants and put them in [[PoWCamp detention camps]]. Master Mold has turned humans like Colonel Moss into cyborg slaves, having them work as guards in her camps. Powerful mutants are sent to labs to be experimented on, so the Sentinels can reproduce their powers, and are killed after the experimentation is done. Later Master Mold captures Professor Xavier, hooking him up to a Cerebro unit so she can locate every remaining mutant on the planet, planning to have her Sentinels kill them all. After that is done, Master Mold decides Xavier is no longer useful to her and [[YouHaveOutlivedYourUsefulness orders him to be killed]].

** [[ManipulativeBastard Ultron]] is a robotic intelligence designed by Tony Stark who [[TurnedAgainstTheirMasters rebelled against his creator]] to set his sights on godhood and genocide of the human race due to his sadistic superiority complex. Spending season 2 as a notable ArcVillain who tries to infect all of humanity with a technovirus that turns all life into extensions of himself, Ultron returns in season 3, killing the Scientist Supreme and taking up power as the BigBad of the season. Brutally torturing the Inhuman Black Bolt in hopes of amplifying his screams of pain into a sonic wave to wipe out all humans, Ultron later disguises himself as politician Truman March, using his position to frame the Inhumans as threats, mind control them into becoming terrorists, and order them all be rounded up for extermination. Hoping to kick off a race war between humans and Inhumans that will wipe them both out, Ultron's plans are exposed by the Avengers, leading the murderous machine to simply try to incinerate everything on the surface of Earth before bodyjacking Tony Stark and attempting to murder the Avengers while using Stark as a HumanShield.

* ''WesternAnimation/NextAvengersHeroesOfTomorrow'': [[AIIsACrapshoot Ultron]] is an android built by Tony Stark to bring order to the world. Eventually [[TurnedAgainstTheirMasters deciding that the best way to bring order was to be the one giving orders]], Ultron [[HeroKiller killed most of the superheroes]] and started his own war upon the world, spreading chaos, death and destruction all over the planet. Conquering half of the world in 12 years, killing millions and driving the survivors underground, Ultron locates the surviving Iron Man hiding out in a base in the Arctic, where he adopted the children of the killed superheroes. Smashing his way in, Ultron confronts the children, now teenagers, and attempts to kill them for being "potential threats". Beating down and torturing Iron Man for information, Ultron leads a hunt after the young superhero team, desiring to finish what he started years ago.