[[quoteright:350:http://static.tvtropes.org/pmwiki/pub/images/AvXImage_8828.jpg]]

-->''It's Coming.''

A Creator/MarvelComics CrisisCrossover for the year 2012, Avengers vs. X-Men (or [=AvX=]) is a 12 issue Maxi series with Creator/BrianMichaelBendis, Jason Aaron, Creator/MattFraction, Creator/EdBrubaker and Jonathan Hickman, scripting and John Romita Jr, Oliver Coipel and Adam Kubert for art.

The newest {{Comicbook/Nova}} crash lands on Earth, warning vaguely of oncoming doom before lapsing into a coma. Based off the energy signature on his uniform, Comicbook/TheAvengers deduce that the warning is about the approaching return of [[CosmicEntity the Phoenix Force]], which is heading to Earth to choose a new host, with teenage Mutant messiah Hope Summers being the prime candidate.

The {{Comicbook/X-Men}} suspect Hope to be the next host of the Phoenix as well, and, under the direction of ComicBook/{{Cyclops}}, those on Utopia are attempting to train her to be ready to take on the power. Cyclops believes she will be able to reverse the damage done to the world's mutant population at the end of ''ComicBook/HouseOfM''. But Hope believes she is already ready, having trained for much of her life with her adopted father {{Comicbook/Cable}} in the future for the purpose of saving mutantkind.

ComicBook/TheAvengers feel they need to secure Hope and take her off the planet in order to prevent another [[DarkPhoenixSaga Jean Grey]] (or a [[ApocalypseHow/{{Class 5}} Planetary/Species extinction event]]). The X-Men, naturally, will hold onto Hope at all costs, and therein lies the [[GoodVersusGood conflict]] between the world's most powerful superheroes with the fate of the world hanging in the balance.

Before the main series officially kicked off, a Jeph Loeb penned ''Avengers: X-Sanction'' mini starring {{Comicbook/Cable}} and #0 issue by Brian Bendis and Jason Aaron focusing on Hope Summers and ScarletWitch were released; and ''The Avengers: ComicBook/TheChildrensCrusade'' series, whilst not billed as part of the event, established the increasing tensions between the Avengers and X-Men whilst dealing with the fall-out of the Scarlet Witch's actions in ''ComicBook/HouseOfM'' and ''Avengers Disassembled''. The only non-ongoing tie-in mini series released alongside the main book, was titled ''[=AvX=]: VS'', which was focused on showing the battles between individual characters from the Avengers and X-Men that didn't make the main book.

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!!''Avengers vs X-Men'' provides examples of:

* TheAbridgedSeries: ''Webcomic/MuhPhoenix''.
* AllThereInTheManual: The main series and some of the tie-ins had online content available to readers with smart phones. Some of it just expounded on the events of the series, showing the events from the points of view of characters whose experiences readers of the paper editions weren't privy to - but at least one tie in actually had a large portion of the dialogue only readable to users of Marvel's smart phone app (or those who can read Cyrillic!).
* AntiHero/ AntiVillain: X-men and Avengers.
* ArtifactTitle: [[spoiler: What began as "Avengers vs. X-Men" ultimately ends with "Phoenix vs. Everyone."]]
* AsTheGoodBookSays: Wolverine misquotes Proverbs 24:33-34 at Hope when she gets angry at him for alerting the Avengers while she was taking a nap.
* TheAtoner: Scarlet Witch.
* BackFromTheBrink: [[spoiler:Thanks to the efforts of Scarlet Witch and Hope, this happens to the entire mutant race, due to the reactivation of the mutant gene from the destruction of the Phoenix Force.]]
* BecauseISaidSo: [[spoiler:The High Priest of Wakanda grants Black Panther an annullment of his marriage with Storm. The High Priest being Black Panther himself.]]
* BerserkButton: Many buttons were pressed during the story. Storm when Comicbook/BlackPanther revealed he had plans to stop her powers (Which, considering how Shadow King loves playing GrandTheftMe on her, you have to admit is reasonable), Rogue and the other X-Teachers when SheHulk injured Hellion and Glob Herman (Who were attacking her), MoonKnight when Frenzy called him Marc Spector and X-23 and the rest of ComicBook/AvengersAcademy when Emma Frost came to destroy Juston's Sentinel. The event was a big button smashing event overall.
* BrokenTears: [[spoiler:Cyclops has them after he kills Xavier.]]
* BigBad: [[spoiler:[[CosmicEntity The Phoenix Force]], which manipulates the majority of the Phoenix Five.]]
* BittersweetEnding: [[spoiler:Cyclops kills Charles Xavier, the closest thing he had to a father, and several of the X-Men are wanted criminals for their actions during the event. However, Hope and the Scarlet Witch were able to use their powers to get rid the Phoenix Force, with the unexpected side effect of undoing the effects of M-Day and reactivating the mutant gene; Captain America admits that Cyclops was right when he accused the Avengers of not doing enough to help the mutant race after M-Day, and subsequently the X-Men are officially endorsed by the Avengers.]]
* BullyingADragon: The very reason why the Phoenix Five went insane. Even after making the world a better place and ''helping'' the Avengers on several occasions, the latter still thought it was a good idea to repeatedly assault them. When somebody is being possessed by a cosmic Entity that amplifies emotions (especially negative ones) and is capable of annihilating entire universes, this is [[{{Understatement}} not the brightest thing to do]].
* BystanderSyndrome: When Captain America calls together the Illuminati in order to find a way to deal with the Phoenix Five, Reed Richards categorically states that [[ComicBook/FantasticFour his family]] are staying out this because they didn't want to take sides between friends of his family, and because it was down to the Avengers that the Phoenix Five are even a problem.
* CallBack: When [[spoiler:Cyclops gains the full power of the Phoenix, he]] utters the same phrase that was said when Jean Grey was first thought to be the Phoenix.
* TheChosenOne: Hope Summers had been speculated in-universe to be one for years. [[spoiler:As it turns out, she is.]]
* CategoryTraitor
** As of the first two acts, most mutants consider Logan and Beast this since they are siding with the Avengers against the rest of the mutant race, especially given their [[TheLancer past]] and [[TheRival current relationships]] with Cyclops.
** Quicksilver also. Magneto (Quicksilver's '''father''', no less) even refers to those 3 as "Benedict Arnolds of our time".
* ConflictBall:
** The fighting started when Captain America turned up on Utopia and told Cyclops that, regardless of the X-Men's opposition, the Avengers were going to take Hope off-world in the event she couldn't control the Phoenix Force. Cyclops responded by optic blasting Captain America off Utopia, and prompting him to call in the rest of the Avengers to start fighting. The entire mess would've been avoided if the two leaders of the superhero and mutant communities had actually talked things over like adults.
** It's pretty much being volleyed back and forth between the two teams like its an Olympic sport. There are plenty of fights that could have been easily averted if both sides just acted maturely and rationally like actual adults.
** Lampshaded at the end by Captain America, who realizes that he should've done more to improve mutant/human relations so that these events could have been averted.
** Also the whole point of the ''[=AvX=]: VS'' tie-ins.
* ConflictingLoyalty:
** Wolverine having to choose between siding with the Avengers, or with the X-Men despite disagreeing with Cyclops and his actions of late. Beast and Storm also face this decision, but Beast goes with the Avengers away team and Storm decides to go with the X-Men without a moment's thought.
** Averted with [[SubMariner Namor]], who says via inner monologue that he has decided to side with the X-Men because he admires Cyclops for standing up to his "oppressors," not because he himself is a mutant.
* CoversAlwaysLie: The cover of the final issue would have you believe that Comicbook/IronMan saves the day against the Phoenix, after being juiced up on cosmic power by Hope and Wanda. [[spoiler:Tony is a minor character in the issue, and Hope and Wanda do the day-saving themselves]].
* CrisisCrossover[=/=]BatFamilyCrossover: Whilst serving as Marvel's 2012 CrisisCrossover, it's more accurate to classify it as a BatFamilyCrossover, as it has only encompassed the various Avengers and X-Men titles (With the exception of ComicBook/{{X-Factor}}) but none of the individual titles.
* CrystalSpiresAndTogas: What Utopia becomes under [[spoiler:the Phoenix Five]] and what they plan to do for the rest of the world.
* CurbStompBattle: Several fights are just immensely one sided.....like Spider-Man vs Juggernaut-powered Colossus, and then the initial confrontation between the [[spoiler:Avengers and the Phoenix Five]]. Spider-Man vs Phoenix!Colossus and Phoenix!Magik is another example that had the former being burned close to death before escaping.
* DefectorFromDecadence: As the [[spoiler:Phoenix Five [[WithGreatPowerComesGreatInsanity go farther and farther into villainy]], more and more of the X-Men begin siding with the Avengers, including Professor X, Rogue and Storm]].
* DidYouJustPunchOutCthulhu: [[spoiler:Hope and Scarlet Witch kill the Phoenix Force in the finale.]]
* EleventhHourRanger: From the penultimate issue of the series.
--> '''[[spoiler:[[ComicBook/IncredibleHulk Hulk]]]]''': [[spoiler:Yes. Hulk will smash for [[ComicBook/TheAvengers you]].]]
* ExpendableClone: Mister Sinister invokes this to the nth degree in a tie-in issue dedicated to him. [[spoiler: He has an army of mutant clones that he plans to unleash on the Phoenix Five when they inevitably show up to take him down. Not to mention [[SelfDuplication all the clones of himself]] that he has]].
* FastballSpecial:
** [[Awesome/{{Avengers Vs X-Men}} Colossus is thrown by Magneto, through the S.H.I.E.L.D Helicarrier.]] Yes, the same Colossus who originally created the move with Wolverine and is usually the one doing the throwing, is the projectile.
** In a tie-in issue of ''X-Men Legacy'' Frenzy performs this with Kitty Pryde by throwing her through Iron Man's armor to short it out... with less than optimal results.
** Wolverine gets to do it with [[spoiler:the Hulk himself. However, he gets burned for it... literally.]]
* FightingYourFriend: Numerous instances, but perhaps the most extreme instance is Black Panther siding with the Avengers whilst his wife Storm sides with the X-Men.
* FiveManBand / FiveBadBand: The Phoenix Five believe themselves to be the heroic type, but slowly desends into the evil type.
** [[spoiler:Cyclops]]: TheHero --> BigBad (Or close to it, anyway.)
** [[spoiler:Namor]]: TheLancer --> TheDarkChick (Most hostile of the Phoenix Five befitting a hot headed lancer, and also the only member of mixed blood from another inhuman race.)
** [[spoiler:Emma]]: TheChick --> TheDragon (Given this person's relations with [[spoiler:Cyclops]], Dragon is a more appropriate role after their decent into insanity.)
** [[spoiler:Colossus]]: TheBigGuy --> TheBrute (Duh!)
** [[spoiler:Magik]]: TheSmartGuy --> EvilGenius (Being EvilAllAlong and very manipulative, before considering their powers.)
* {{Foreshadowing}}: In issue 9; Spider-Man tells Hope, anxious to get into action against [[spoiler:the Phoenix Five]], that being an Avenger means that whilst you may not be at the centre of the action all the time, you need to be ready to step up to the plate. Later in the issue, [[spoiler:Spider-Man steps up to allow the rest of the Avengers to rescue their captured team mates]]. It also serves as a LampshadeHanging on Spider-Man's background role in the majority of Marvel's {{Crisis Crossover}}s since first joining the ComicBook/NewAvengers.
* GodzillaThreshold: In [=AvX=] #11 [[spoiler: CaptainAmerica basically goes out to the desert with the rest of the X-Men and Avengers still available to ask the ComicBook/IncredibleHulk to assist them in taking down Cyclops. He more or less tells him that he's at the end of his rope and that while he normally wouldn't try to bother him, Phoenix!Cyclops has become so much of a threat that he needs everyone with massive firepower on the team. Hulk's response? "Yes, Hulk will smash for you."]]
* GoodVersusGood: The Avengers and the X-Men are both desperate to safely deal with the Phoenix Force and save lives, but they have drastically different ideas on how to do it.
* GratuitousRussian: When Black Widow and Magik fight on the Blue Area of the Moon (just before [[spoiler:the Phoenix is torn apart by Iron Man]]), their dialogue switches back and forth between English and Russian in a quite liberal way.
* HellOnEarth: [[spoiler:Magik brings a portion of Limbo to Earth and uses it as a prison for the captured Avengers]].
* [[IHaveNoSon I Have No Sister]]: [[spoiler: Colossus' last words to Illyana; "If I ever see you again, [[IllKillYou I'll kill you]]."]]
* InsultBackfire:
-->[[spoiler:'''Colossus''': You're insane.]]
-->[[spoiler:'''Magik''': Oh thank you, thank you! I knew you'd eventually understand!]]
* JerkassHasAPoint: Captain America agreed that the Avengers were not dealing with the social rejection of mutants, as Cyclops pointed at the begining of the story.
* KilledOffForReal: [[spoiler:[[BigGood Charles Xavier]] and the [[CosmicEntity Phoenix Force]].]]
* KarmaHoudini:
** Averted by [[spoiler:Emma Frost]], who is shown to be arrested in New Avengers #30, which is set after [=AvX=].
** Averted by [[spoiler:Cyclops]], who is placed in SHIELD custody after the final battle, forcing [[spoiler:him]] to live with [[spoiler:the guilt of nearly destroying Earth and killing the closest thing he had to a father]]. [[spoiler:He accepts this as he regrets what he did as the Dark Phoenix]].
** Averted by [[spoiler:Namor]] and, oddly enough [[spoiler:Storm]], as Wakanda has declared war on [[spoiler:Atlantis]] for its destruction and, because [[spoiler:Storm]] was part of that banner, [[spoiler:she]] is now a wanted criminal. At the same time, the X-Men aren't too wanted there, either, as Logan and the Jean Grey School kids are chased out at the same time.
* LampshadeHanging: In issue 12; [[spoiler:Dark Phoenix!Cyclops]] tells Nova "I see your secret. You don't even ''belong'' here, do you?" which alludes to the fact that [[spoiler:[[TheThanosImperative the entire Nova Force was in Richard Rider when he was trapped in the Cancer-verse]], and thus Sam Alexander logically has no explainable way to be a member of the Nova Corps]], and Sam's status as a CanonImmigrant from the ''WesternAnimation/{{Ultimate Spider-Man}}'' cartoon.
* LetsYouAndHimFight: To the point that they made a whole separate miniseries (''[=AvX=]: VS'') just to feature such throwdowns.
* LivingMacGuffin: Hope Summers since the day she was born and she knows it.
* MartyrWithoutACause: During ''[=AvX=] Consequences'', {{Wolverine}} finds out that [[spoiler:Cyclops]] wants to die. Why? [[spoiler:So he can become the martyr for the revived mutant race]]. He doesn't.
* MaybeMagicMaybeMundane: Jason Aaron's endnotes offer three possible identities for [[spoiler:the apparition of Jean]] Scott saw in the final issue. It could be either [[spoiler:the real Jean speaking from the Phoenix's plane, the Phoenix itself undergoing a HeelRealization, or simply Scott's mind working things out for itself and using Jean as a cipher]].
* MissedTheCall: In issue 5, [[spoiler:after coming in closer contact to the Phoenix Force, Hope Summers realises that she can't handle it and during her hesitation,a Tony Stark/Hank Pym invention intended to destroy the Phoenix Force ends up splitting it apart and causing the creation of the Phoenix Five.]]
** RefusalOfTheCall: Inverted in issue 11, when [[spoiler:Hope tells Scott that she's ready to control the Phoenix Force. However, Scott tells her it's too late - she had her chance and she blew it, and it's the Phoenix Five's turn now.]]
* MythologyGag: In ''A-Babies vs. X-Babies'', Baby Thor is seen riding Baby Beta Ray Bill, using the same designs from ''Thor and [[PowerPack the Warriors Four]]''. Considering that Bill wasn't involved in the main story (and isn't even an Avenger), this was Gurihiru making a ShoutOut to their own work.
** Captain America asking the Hulk to smash? [[Film/TheAvengers Sounds familiar]].
* NewPowersAsThePlotDemands: In her story in issue #0, ScarletWitch is back to her power level pre-''Avengers Disassembled''. When she returns in the middle of the series, her powers are [[PowerCreepPowerSeep suddenly amped back up again]].
* NiceJobBreakingItHero:
** [[spoiler:The Avengers accidentally split the Phoenix power five ways between Cyclops, Emma Frost, Namor, Colossus and Magik.]]
** Reed Richards gives one to Captain America and the Illuminati in New Avengers #27.
-->''This isn't someone out out to ruin us. They are friends and they are making things better. The only ones getting hurt here are you because you keep poking them with a stick.''
** The Phoenix Five and associated X-Men didn't show any signs of aggression towards the Avengers until they [[spoiler:abducted Hope in issue 5, prompting Cyclops to declare all out war on them, which it could be argued leads towards the Phoenix Five's corruption and rapid degradation towards madness.]]
-->[[spoiler:"No more Avengers."]]
* [[spoiler:NotHimself: Both Aaron and Editor-in-Chief Alonso have strongly implied in interviews that any villainous actions done by the Phoenix Five are to be ascribed to the Phoenix itself and ''not'' the character it is possessing. Xavier also hints at this in issue 10.]]
* NotSoDifferent: Captain America experiences this during a conversation with Hope:
-->'''Hope''': Do you have any idea what it's like to feel all your life like you're destined for something great, but you can never quite get there? Almost like... Like you're something strong trapped in the body of a weakling?
-->'''Cap''': I... have some idea what you mean.
* OffscreenMomentOfAwesome: The Phoenix Five's takeover of the world, during which they supposedly turn it into a utopia, happens during the time skip. Only a little of aftermath is ever seen.
* OhCrap:
** Cyclops has one after optic blasting Captain America off Utopia, only for the S.H.I.E.L.D Helicarrier to decloak above him, with the Avengers assembled.
** Magneto has one during his battle with ComicBook/IronMan when he senses [[spoiler:the Phoenix killing another populated world on its way to Earth. Magneto immediately stops fighting.]]
** Everyone has one, when the Avengers and X-Men are about to start fighting on the Moon, only to be interrupted by [[spoiler:Thor's battered body being thrown in between the two teams]].
** Captain America has one when [[spoiler:Phoenix!Namor shows up in Wakanda.]]
* PoorCommunicationKills: {{Comicbook/Cable}} after [[UnexplainedRecovery miraculously]] surviving his last HeroicSacrifice, winds up in a future where the world is destroyed and his body is breaking down. Blaquesmith, one of his close friends, tells him that the world ends up this way because of something the Avengers do to Hope. Cable decides to travel back in time to capture and nearly kill the Avengers in his last 24 hours of life, rather than explain the situation or have Blaquesmith do so.
** Most if not all of the characters suffer from this, with Cyclops and Captain America probably being the most obvious victims of this trope.
* PursuedProtagonist: Nova
* PyrrhicVictory: Attempted to be invoked by Cyclops, as at the end of the day [[spoiler:the effects of M-Day have been undone and ties between the mutant and superhero communities have been strengthened]]. Captain America counters this in a WhatTheHellHero moment (See below).
* ReedRichardsIsUseless: Zig-zagged -- [[spoiler:After Cyclops, Emma Frost, Namor, Colossus and Magik become the Phoenix Five, they proceed to use their new powers to make the world into a utopia by eradicating famine and disease; but they ''don't'' even attempt to restore the Mutant Gene, which was the entire reason Cyclops believed the Phoenix was needed in the first place. WordOfGod states that this was beyond their power, but they just forgot to put it in the book]]. As for Reed himself, well, he could assist but chooses not to because he thinks the whole thing is stupid.
* SacrificialPlanet: Similarly, in the lead-up the Phoenix Force destroys all sentient life on several inhabited worlds while headed towards Earth.
* ScrewThisImOuttaHere: When the Phoenix Five start going about improving the world and Captain America is still intent on taking them down, Beast gets so upset at Cap's (and Wolverine's) persistence that he up and leaves them.
* ShootTheDog: Wolverine believes Hope needs to be killed to stop the Phoenix. This puts him at odds with the Avengers, since they only want to take her somewhere safe off-world. This is ultimately averted, [[spoiler:as in a tie-in Wolverine realizes that even with everything at stake, he'll never truly be able to kill Hope because he views her as a child, one of the few things Logan will never harm.]]
* SpinOffBabies: A-Babies Vs X-Babies, by Skottie Young and Gurihiru.
* SpotlightStealingSquad: The Avengers. They've been the view point characters and got the most sympathetic treatment. The only X-Men that have gotten any focus are the [[spoiler:Phoenix Force Five]] and those who choose to defect to The Avengers.
** SupportingProtagonist: On the other hand, while they ''are'' the viewpoint characters and (probably) who we were intended to root for, it becomes quite apparent by the end that that's ''all'' they are, and the true protagonist and central character of the story and indeed the entire MythArc preceding it is TragicHero Cyclops. A decent argument could also be made for [[spoiler:Scarlet Witch]] being the actual main character, as well.
* StatusQuoIsGod: By the end of ''Consequences'', we're back to where we were prior to ComicBook/HouseOfM: Mutantkind hated and feared by humanity. They just can't get a break.
* SupermanStaysOutOfGotham: Invoked. Once the 'war' starts the X-Men accuse the Avengers of never caring about mutants because they never took an active stance against the mess that Mutants have had to face since M-Day, which involves several wholesale genocide attempts, which include a school bus full of dead children, and Mutantkind in general being forced onto an isolated Island to prevent themselves being subjected to legislation that was meant to restrict them from having children.
* TakeOurWordForIt: Very little of the Phoenix Five's utopian world is actually shown, and by the time we do start to see hints of what they've done, [[spoiler: the conflict with the Avengers and the Phoenix possession is already driving them over the edge.]]
* TragicHero: [[spoiler:Scott and Emma by the end. While Emma does terrible things, she's also horrified by her actions. Colossus could also qualify due to being set up for a fall by his sister. By contrast, Namor is the HolierThanThou {{Jerkass}} he's always been (but with cosmic power this time) and Magik turned out to be a straight-up villain]].
* TookALevelInJerkAss: You could say everyone but here are the ones that stand out:
** Captain America and, to a lesser extent, the Avengers as a whole, acted far more antagonistic than needed, or than they usually are. Cyclops himself wasn't exactly civil either.
** The Phoenix Five. Well, except Namor, he was always a JerkAss to begin with.
*** [[spoiler:And it turns out that Magik was EvilAllAlong]].
* UltimateShowdownOfUltimateDestiny: ''[=AvX=] VS'', a six-issue mini series released as the main event progressed. Thanks to their [[Film/TheAvengers movie release]] being on the horizon at the time, the Avengers Side experienced PopularityPower in these fights.
* WithGreatPowerComesGreatInsanity: With the checks to their behavior gone and their emotions being amplified, [[spoiler:the Phoenix Five]] grow ever closer to going over the edge. [[spoiler:As of Issue #9, Cyclops is the only one still holding it together. However, by Issue #11, he's gone fully Dark Phoenix]].
* UtopiaJustifiesTheMeans: The justification the X-Men use when called out on their more morally gray actions or met with opposition. The Phoenix Five X-Men are building a utopia on Earth free of war, hunger, and persecution, so who in their right mind would be against that? Rachel even says "Why would you want to stand in the way of true utopia?"
* VersusTitle
* WhamEpisode: Issue 11 - [[spoiler:Cyclops kills Charles Xavier]].
* WhatIf: A 4-issue What if series where Magneto trains Hope instead and Logan kills Storm by "accident" in the helicarrier and escalate events early.It ends with [[spoiler:everyone on Earth and the Guardians of the Galaxy dead except Wolverine, who reunites with a Phoenix Force-empowered Jean Grey to breathe life into the world again.]]
* WhatHaveIBecome: Colossus has a moment of this when he [[spoiler:accidentally burns his love interest Kitty Pride in a brief rage]].
* WhatTheHellHero:
** Captain America plays at one to Cyclops after [[spoiler:he's placed into SHIELD custody]]. [[NiceJobBreakingItHero The fan reaction to this has been]] [[DesignatedHero mixed. Let's just leave it at that]]
---> "Don't you dare! Don't you dare try and turn this into a ''win!'' You waged a war that set friend against friend! [[spoiler:You played RussianRoulette with the ''planet!'']] You left wounds that will take years to heal, if they ever heal at all. And you [[spoiler:killed one of the finest men I've ever known]]. If you consider that a win... I ''pity'' you. I really do."
** [[spoiler:An incarcerated]] Scott fires one right back at Logan in ''Consequences'', pointing out that his plan to [[ShootTheDog murder Hope to stop the Phoenix]] would have basically doomed everyone had he succeeded.
* WhyDidYouMakeMeHitYou: After Cyclops [[spoiler:kills Xavier]], he breaks down crying and blames Captain America and the Avengers for it. Whether his accusation has a point (like Hawkeye's arrow on his neck had point) or if this was just further proof that Scott was just falling further off the edge is up to the reader.
* WildCard:
** Wolverine, a long-standing X-Man but at the same time an established Avenger currently on bad terms with Cyclops.
** A promotional comic which listed the sides and teams of the battle listed Quicksilver, Scarlet Witch, Nova, Deadpool, Savage Hulk and Cable as wild cards. [[spoiler:Quicksilver and Scarlet Witch both rejoin the Avengers before the halfway point; Hulk finally shows up in Issue #11; Nova crash lands in New York in the first issue, avoids the majority of the fighting and only appears again in Issue #12; and neither Deadpool nor Cable play any part in the event itself]].
* TheWorfEffect
** Almost every member of The Phoenix Five get to smack around Thor and even former Phoenix host Rachel Grey-Summers does this to him at one point, despite the fact that her power level is nowhere near high enough to do so. Taken to the extreme in issue 11. Thor gets ready to fight Cyclops, and is taken out in one panel. The very next panel shows one of Hawkeye's arrows doing more damage. Justifiable, in that Thor is trying a direct approach, and Hawkeye's arrow hits the back of Cyclops's neck and ''would'' be a kill shot if he wasn't cosmically powered at the time.
** Even though the Red Hulk [[spoiler:and the Hulk]] were present during the event, they still got tossed around by the Phoenix Five.
** Red Hulk at least got some good showing in the fist half before the Phoenix Five came in, getting the better of Colossus more than once. Much better than poor Thing, who spends the entire story with Namour and Colossus taking turns whaling on him. Gambit in his two main apperances loses badly both times, getting beaten by Captain America (despite detonating his uniform, something Cap just walks off) and then by Moon Knight of all people.
* WorkingWithTheEx: [[spoiler:After Storm defects from the X-Men to help the Avengers, she's swiftly told by Black Panther that due to her association with the Phoenix Five (One of whom had just flooded Wakanda in a fit of rage), the High Priest of Wakanda has granted T'Challa an annullment of their marriage. [[BecauseISaidSo The High Priest being T'Challa himself]]. However, with Storm actively working with Black Panther to save the captured Avengers, its possible this might be averted.]]
** As of A+X, [[spoiler: they have officially separated.]]
* XtremeKoolLetterz: The abbreviation "[=AvX=]".
* YouRemindMeOfX:
** After Cyclops says that Phoenix could be used to "put the world back on track", Magneto points that Cyclops is starting to sound like him.
*** It turns out this is a BerserkButton for Cyclops when this happens one too many times. For a while, people have been saying this to him when he gets particularly protective of mutant kind, and this bit is essentially him spitting back. [[spoiler: But, as he's now Phoenix powered and as such insane, he replies that the difference is 'he's winning'.]]
** Averted with Wolverine in a tie-in when he says in narration that when he looks at the Jean Grey Expy, Hope. He doesn't see that strong woman he loved, but just a child who has no idea what she's gotten herself into.
** After hearing Captain America justify his actions, Iron Man claims that he sounds just like himself when the Captain opposed him during ''ComicBook/CivilWar''.
** Iron Man lets Cap have it again when Cap calls together the [[NotSoOmniscientCouncilOfBickering Illuminati]] in an attempt to figure out what to do.
* YoureInsane: [[spoiler:Colossus gives this to [[EvilAllAlong Magik]].]] However, it results in an InsultBackfire, as that's what [[spoiler:she]] wanted [[spoiler:him]] to see in the first place.