History NightmareFuel / MarvelDiskWarsTheAvengers

** By episode 17, Sabretooth becomes ever more extreme. When Manino sent some Destroyer-drone robots to assist him. Instead of being grateful, [[UngratefulBastard Sabertooth destroyed one of the robots]]. He even went so far as to attack Rosetta, apparently intention on killing her.

* Episode 20: while also a [[TearJerker heartbreaking]] moment. After everything that's already happened to her. Not to mention Ōkuma shooting his mouth off, [[FantasticRacism calling Mutants freaks, that aren't human and should not be trusted]]. Noriko unleashes her powers in a fit of anger. What's frightening is that she nearly goes over the DespairEventHorizon, briefly considering a KillEmAll attitude towards humans.

* Episode 32: Red Skull's possession of Hikaru via the Dimension Sphere is AdultFear at its finest. Red Skull is basically forcing Thor to kill his friends or he will have Hikaru kill them, and possibly kill the rest of the children as well, ''his brother included''. Not only that, it's revealed that [[spoiler: were it not for Thor saving his life]], the unlimited power could prove too much for him to handle, causing him to [[BrainwashedAndCrazy to go insane]] and could even kill him. Plus, his scream when he puts a shard of the sphere into his heart [[spoiler: and when Thor's bond with Hikaru purifies him]] shows it's probably a painful process as well.

** The first appearance of Ronin. Which starts with Akira, who was alone in the lab. Suddenly hearing what sounds like his fathers' voice. So, when Akira activates the portal machine. A creepy looking man dressed in black appears and steal the Dimension Sphere. Though not before attacking Akira and badly wounding Iron Man.

** On a minor note, after Red Skull attacks them using the destructive power Dimension Sphere. [[UncertainDoom None of the S.H.I.E.L.D. agents escorting Hikaru and Thor are seen again...]]

* Episode 25: Fin Fang Foom setting fire to the S.H.I.E.L.D. Helicarrier. Star Lord's description the creatures' flames is also pretty terrifying.

* Episode 28: Not only is Red Skull's plan to basically, [[EarthShatteringKaboom blow up the Earth]] horrifying. His cold description the plan is extremely creepy as well.

** Bucky's fate alone is [[HarsherInHindsight Terrifying In Hindsight]] if you know [[ComicBook/BuckyBarnes what became of him in the comics and other Avengers media]]. Had the series continued longer, this [[WhatCouldHaveBeen could've potentially]] [[TheyWastedAPerfectlyGoodPlot been shown here as well]].

** When Thor and Wasp point out to Red Skull the obvious flaw in his plan. Mainly, that his victory will be a [[PyrrhicVictory hollow one]], do to the fact that he'll die too. The clearly deranged Red Skull explains that he simply doesn't ''care''.

* Episode 32: Red Skull's possession of Hikaru via the Dimension Sphere is AdultFear at it's finest. Red Skull is basically forcing Thor to kill his friends or he will have Hikaru kill them, and possibly kill the rest of the children as well, ''his brother included''. Not only that, it's revealed that [[spoiler: were it not for Thor saving his life]], the unlimited power could prove too much for him to handle, causing him to [[BrainwashedAndCrazy to go insane]] and could even kill him. Plus, his scream when he puts a shard of the sphere into his heart [[spoiler: and when Thor's bond with Hikaru purifies him]] shows it's probably a painful process as well.

--> '''Dormammu''': There are only two options for you pitiful beings to choose from. Be consumed by darkness and vanish into the void, forever. Or offer me your souls, and join the denizen's of the Dark Dimension.
** While they turn out of have "only" been a vision. The images of decay ruin in city and location all over the planet were extremely unsettling.

** While they turn out of have "only" been a vision. The images of decay ruin in city and location all over the planet were extremely unsettling.

** Loki's sadistic gleefulness as he tortured Tony is rather disturbing.

** The first appearance of Ronin. Which starts with Akira, who was alone win the lab. Suddenly hearing what sounds like his fathers' voice. So, when Akira activates the portal machine. A creepy looking man dressed in black appears and steal the Dimension Sphere. Though not before attacking Akira and badly wounding Iron Man.
* Episode 47, Tony explaining what happened to him when he encountered Loki and Dormammu in the [[EldritchLocation Dark Dimension]].

* Episode 42: Just the fact that even [[EvenEvilHasStandards Ōkuma]] finds the actions of Baron Blood and vampires in general reprehensible. Considering his respect for such vile villains as Sabertooth, that's saying something.

** That, and all the kids (save Akira) being turned into Baron Blood's [[MindControl mind-controlled]] slaves.

* Episode 37, while minor. Thor lampshading Ultron's UncallyValley nature as a humanoid robot.

* Episode 31: Power Man's time-limit running out before he can get the Build-Up plate to Ed. Leaving the boy facing down Abomination, without any superhero to protect him.

** When Thor and Wasp point out to Red Skull the obvious flaw in plan. Mainly, that his victory will be a hollow one since he'll die too. The clearly deranged Red Skull explains that he simply doesn't ''care''.

** When Thor and Wasp point out to Rd Skull the obvious flaw in plan. Mainly, that his victory will be a hollow one since he'll die too. The clearly deranged Red Skull explains that he simply doesn't ''care''.

* Episode 20: while also a [[TearJerker heartbreaking]] moment. After everything that's already happened to her. Not to mention Ōkuma shooting his mouth off, [[FantasticRacism calling Mutants freaks that aren't human that should not be trusted]]. Noriko unleashes her powers in a fit of anger. What's frightening is that she nearly goes over the DespairEventHorizon, briefly considering a KillEmAll attitude towards humans.