History ComicBook / Onslaught

** In the final issue of ''Fantastic Four'', Sue is holding one of Franklin's cherished toys, which appears to be a [[Manga/DragonBallZ Goku]] plushy.

* WouldHurtAChild: Apocalypse's idea to end the crisis was to kill Franklin Richards. Needless to say both Cable and [[MamaBear the Invisible Woman]] put an end to that plan.

* EarlyInstallmentWeirdness: Xavier's astral form warns the X-Men that Onslaught is coming, as if Onslaught is a separate villain, but then Onslaught is revealed to be an entity possessing Xavier. The circumstances of this warning are not brought up again.

* AreWeGettingThis: Trish Tilby reports on the final battle as the X-Men are forced to attack the Avengers and Fantastic Four to stop Onlsaught.

* TheWorfEffect: Early on Juggernaut got beaten up by Onslaught to establish him as a big threat. [[WritingByTheSeatOfYourPants It was before writers made up their minds about just anything else of him]].
** It becomes unintentional FridgeBrilliance after TheReveal of Onslaught's identity: If you become evil and all-powerful, one of your first targets would be the invincible-til-now man who has bullied and tried to kill you from childhood to the present day.

* OnceMoreWithClarity: As noted under "Arc Welding", we're shown the X-tratior tape in its entirety at the official start of the crossover.
* PlotArchaeology: As noted under "Arc Welding", this picked up the X-traitor tape subplot, revealing that despite Bishop ironically thinking ComicBook/ProfessorX was the first to die was actually the "traitor" himself. Furthermore his origins are tied to Xavier's mindwipe of Magneto in ''ComicBook/FatalAttractions''.

* SplitPersonalityTakeover

** ''Uncanny X-Men'', Vol 1. #335 sees Moira [=MacTaggert=] ComicBook/{{Excalibur}} and aware of the crisis and that part of the X-Men were coming for the Xavier Protocals. ''Excalibur'' #100 saw the titular team busy with other matters and Moira surprised by the X-Men's visit.

'''Onslaught''' was a 1996 Creator/MarvelComics CrisisCrossover involving nearly every superhero comic book they published at the time. The ComicBook/XMen, [[Comicbook/TheAvengers Avengers]], the ComicBook/FantasticFour and other heroes fight an incredibly powerful OmnicidalManiac which results in the "[[NotQuiteDead deaths]]" of every hero involved (except the mutants, {{Spider-Man}} and a Banner-less [[ComicBook/IncredibleHulk Hulk]]). Outside of comics, the series is best known for providing the FinalBoss for ''VideoGame/MarvelVsCapcomClashOfSuperHeroes''.

'''Onslaught''' was a 1996 Creator/MarvelComics CrisisCrossover involving nearly every superhero comic book they published at the time. The ComicBook/XMen, [[Comicbook/TheAvengers Avengers]], the ComicBook/FantasticFour and other heroes fight an incredibly powerful OmnicidalManiac which results in the "[[NotQuiteDead deaths]]" of every hero involved (except the mutants, {{Spider-Man}} and a Banner-less [[ComicBook/IncredibleHulk Hulk]]). Outside of comics, the series is best known for providing the FinalBoss for ''VideoGame/MarvelVsCapcomClashOfTheSuperHeroes''.

'''Onslaught''' was a 1996 Creator/MarvelComics CrisisCrossover involving nearly every superhero comic book they published at the time. The ComicBook/XMen, [[Comicbook/TheAvengers Avengers]], the ComicBook/FantasticFour and other heroes fight an incredibly powerful OmnicidalManiac which results in the "[[NotQuiteDead deaths]]" of every hero involved (except the mutants, {{Spider-Man}} and a Banner-less [[ComicBook/IncredibleHulk Hulk]]).

* AWizardDidIt: Though other mutant heroes couldn't enter Onslaught's field (they'd get possessed) the Avengers' Scarlet Witch was able to make an exception for herself with her powers.

* BroughtDownToNormal: [[spoiler:Charles Xavier.]]

It turns out that when Xavier brainwashed SelfDemonstrating/{{Magneto}} several months before (to cause him to stop being a threat after he cruelly stripped the adamantium off ComicBook/{{Wolverine}}'s bones), a part of the latter's psyche merged with his own mind. Under the stress of constant failures and new misfortunes the Professor became more and more frustrated, until he developed a split personality, which eventually [[SplitPersonalityTakeover took a life of its own]] and was able to manifest in the corporeal world. Onslaught nearly kills the X-Men before leaving to capture [[ComicBook/FantasticFour Franklin Richards]] and ComicBook/XMan in order to suck out their powers and become [[PhysicalGod a living god]]. That brings him into conflict with both the Avengers, who were approached by X-Man, and Franklin's family, the Fantastic Four. Despite that Onslaught successfully kidnaps both of his targets, encircles Manhattan with Sentinels and prepares to TakeOverTheWorld.

** Thor sports his shirtless "World Engine" look for the majority of the crossover, but changes into a new black costume in the final issue of his solo series, which takes place just before the final battle with Onslaught. In the actual finale of the crossover, ''Onslaught: Marvel Universe'', Thor is inexplicably back to his shirtless look.

* ContinuitySnarl: Thor sports his shirtless "World Engine" look for the majority of the crossover, but changes into a new black costume in the final issue of his solo series, which takes place just before the final battle with Onslaught. In the actual finale of the crossover, ''Onslaught: Marvel Universe'', Thor is inexplicably back to his shirtless look.

* ContinuitySnarl: Thor sports his shirtless "World Engine" look for the majority of the crossover, but changes into a brand new black costume in the final issue of his solo series, which takes place just before the final battle with Onslaught. In the actual finale of the crossover, ''Onslaught: Marvel Universe'', Thor is inexplicably back to his shirtless look. The only other place the black outfit really appeared was the non-canon ''DC vs. Marvel'' limited series.

* TheCavalry: "And yet... through the haze of dust, Xavier sensed a coming... of hope, of courage, of marvels."

* ShoutOut: When Onslaught invades Four Freedoms Plaza in search of Franklin Richards, the boy ([[spoiler: actually Lyja in disguise]]) is seen watching his "favorite video," which appears to be an episode of ''Series/MightyMorphinPowerRangers''.

After the events of ComicBook/HouseOfM Onslaught came BackFromTheDead in the aptly named ''Onslaught Reborn'' miniseries.

* ShoutOut: When Onslaught invades Four Freedoms Plaza in search of Franklin Richards, the boy is seen watching his "favorite video," which appears to be an episode of ''Series/MightyMorphinPowerRangers''.

* TeacherStudentRomance: An old element from the early ''X-Men'' comics, namely Professor Xavier having feeling for Jean Grey, was used by Onslaught to try to get Jean to join him.

'''Onslaught''' was a 1996 MarvelComics CrisisCrossover involving nearly every superhero comic book they published at the time. The ComicBook/{{X-Men}}, [[Comicbook/TheAvengers Avengers]], the ComicBook/FantasticFour and other heroes fight an incredibly powerful OmnicidalManiac which results in the "[[NotQuiteDead deaths]]" of every hero involved (except the mutants, {{Spider-Man}} and a Banner-less [[ComicBook/IncredibleHulk Hulk]]).