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Released in 2006, Marvel began its own series of animated feature films with ''Ultimate Avengers''. Based mainly on the [[UltimateMarvel Ultimate universe]] of Marvel comics, the first film was based around the formation of one of its [[ComicBook/TheAvengers most iconic teams]].

A sequel was later made, involving the ComicBook/BlackPanther.

For the comic book now known as ''Ultimate Comics: Avengers'' (or ''Ultimate Avengers'' for short), see ''TheUltimates''.

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!!The films contain examples of:

* AdaptationalHeroism: In ''The Ultimates'', Black Widow is not only [[TheMole a traitor]], but kind of an [[IceQueen asshole]] even when she's supposed to be posing as a hero. In the movies, she's not only not a traitor, but is in general much nicer to those around her.
* AdaptationPersonalityChange: Almost ''everyone'' is made much more like their mainstream counterpart, as opposed to their Ultimate version, since those guys are a bunch of assholes.
** Captain America is essentially his mainstream version, TheCape who believes in America's ideals and is a kind old soldier. His Ultimate version is sexist, homophobic and racist.
** Iron Man only slightly exhibits signs that he's an alcoholic, drinking ''one glass'' when he is fired from the team. Other than that, he's pretty much his mainstream counterpart, aside from the part about still supplying weapons. Ultimate Iron Man is so much of an alcoholic that for a few years, you literally could not see him out of armour and ''not'' drinking.
** Hank Pym goes from workaholic scientist and wife beater to a slightly aggressive man who is protective of his wife.
** Ultimate Black Widow was a traitor on the team and a ManipulativeBitch. Here, Natasha is a straight up hero, who's as kind as her mainstream counterpart.
** Nick Fury has always been an anti-hero, but his Ultimate version was an outright Jerkass Manipulative Bastard, and even DesignatedHero, if that. Here, his goals are entirely heroic, and he just wants to save the world.
* ArmorIsUseless: Made somewhat ridiculous in the end fight against TheHulk in the first film, as Iron Man appears to be the most useless member of the team when fighting him, despite the fact that his armor would seem like one of the only things actually useful against Hulk . Even more ridiculous when you consider how many direct hits Captain America takes (altough Ultimate Cap is explicitly superhuman, maybe this Cap is too).
* BadassNormal: Black Widow and Nick Fury. Betty has shades of this as well.
* BerserkButton: Do not attempt to harm T'Challa in any way when his father's around.
* BitterSweetEnding: [[spoiler: in the second movie. The Chitauri are finally routed, the day is saved, and Steve can finally move on with his life. But Hank Pym, along with undoubtedly thousands of others, lost his life to the monsters. In addition, most of the world's cities are now heavily damaged and Bruce Banner is stuck on the run, unable to be with his love, Betty.]]
* BoisterousBruiser: Thor, in the first movie.
* CompositeCharacter: About all of the characters sans Bruce Banner, Black Widow, and Black Panther are pretty much the [[Comicbook/TheAvengers classic versions]] with more or less the [[TheUltimates Ultimate appearances]], though even Captain America, Iron Man, and Thor, design design-wise, blends aspects of their classics selves with the Ultimate versions. Bruce Banner on the other hand is a more toned-down version of his Ultimate self, Black Widow is completely based on the classic incarnation and and so is Black Panther as Ultimate Black Panther didn't exist yet when the movie was being made.
* DefconFive: Fury raises to DEFCON Five when a Chitauri attack is imminent.
* DyingMomentOfAwesome: T'Chaka taking down Kleiser. Especially how it happens:
--> '''Kleiser:''' (approaching T'Challa) Here ends the Wakandan royal family, all over the jungle floor!
--> '''T'Chaka:''' YOU WILL NOT HURT MY SON! (Goes panther mode and attacks Kleiser, knocking him over a cliff)
* HandsGoDown:
--> '''Bruce Banner''': Any questions? *students' hands go up* Any questions ''not'' about the Hulk?
* HeroesWantRedheads: Tony Stark tries this on Black Widow, but she's not really into him (the fact that they were introduced by her seducing him to be interrogated by Fury probably doesn't help). Later, she becomes romantically involved with Captain America.
* HeroicSacrifice: Giant Man. Iron Man later seems like he's going to follow suit, but Thor revives him.
* HotScientist: Betty Ross.
* ImperialStormtrooperMarksmanshipAcademy: The Chitauri are usually incredibly lousy at hitting a main character. In some cases the character in question is even basically standing still and the shots just keep missing, unless it's one of the particularly resistant Avengers.
* ImprobableAimingSkills: In quite a few scenes, Black Widow is only seen firing a few rounds at her opponents, which then seem to have multiplied by the dozens in the reactionary shots of them getting hit. And she doesn't miss either.
* {{Jerkass}}:
** Giant Man, though he's just merely arrogant and [[JerkassWoobie and insecure]], unlike his outright [[DomesticAbuse abusive]] incarnation in ''TheUltimates'', whom he's visually based on.
** The scientist who keeps torturing Bruce for his rash decision to become the Hulk.
** Nick Fury became this after the Avengers screwed up, and at Captain America for not ordering them.
** The Wakandan Council for their unflinching belief in their not needing assistance.
* MadeOfIron: In the first film, Captain America gets punched about by TheHulk, ''a lot''. He is still conscious at the end of the fight and suffers little in the way of any real injuries.
* MyCountryRightOrWrong: Subverted with Black Panther. He wants them to be away from their isolationist stance. But his people, especially the elders, were not happy with their king's decision, especially when he brought the Avengers along. They had him de-throned, but the elders were proven wrong and Black Panther re-took the throne, and the Avengers defeated the aliens.
* MyGodWhatHaveIDone: Bruce Banner. He thought he could control the Hulk, but he was wrong.
* NightmareFace: After Kleiser is [[spoiler:ripped apart by Black Panther]] in ''2'' is face is (thankfully briefly) like that of some kind of nightmarish zombie.
* NoPlansNoPrototypeNoBackup: Partially averted with Captain America. While they ''did'' have the formula on file, inept record keepers didn't properly document it.
* OneWingedAngel: Herr Kleiser's final form, which he assumes in the latter act of ''2'', resembles some EldritchAbomination.
* PietaPlagiarism: This is the pose in which [[spoiler:Iron Man carries the nearly dead Hank Pym]] near the end of ''2''.
* PragmaticAdaptation: Given that pretty much all the heroes in the Ultimates comic book TookALevelInJerkAss, they're considerably LighterAndSofter here. Mark Millar's controversial, less heroic re-imaginations of the characters were replaced with more traditional ones. Hank Pym is still the group JerkAss, but that was a step up from the unstable wife beater he was in the comic. Thor and Captain America's political views are far less extreme (in fact, they barely come up at all). In a nutshell, it takes the contemporary setting and origins from the Ultimates, but uses the character personalities of 616.
* RedemptionEqualsDeath: Hank Pym's death seems to play with this trope. He didn't really do anything evil beforehand, but he had been a major JerkAss, especially to Janet. And it seems his sacrifice was in part to show her that he could be the man she wanted him to be.
* RockBeatsLaser: In the second one, Iron Man's missile launcher is destroyed by a Wakanda warrior's spear and his armor is wrecked by a swinging log. For the record, Wakandan warriors wield vibranium weapons - and vibranium beats non-vibranium every time.
-->'''Iron Man''': Well that's embarrassing.
* ShellShockedVeteran: Captain America shows signs of it.
* ShootingSuperman[=/=]IWillFightSomeMoreForever: The alien warships are armoured with [[GreenRocks vibranium]], which [[TakesOneToKillOne can only be damaged with vibranium weapons]] (or [[NukeEm nuclear bombs]], which the heroes don't have). Regardless, SHIELD's navy and air force are perfectly content with wasting all of their ammunition on the aliens, even getting frustrated when their weapons continue to fail.
* TakesOneToKillOne: a technological example -- [[GreenRocks vibranium]] [[MadeOfIndestructium armor]] can only be penetrated by vibranium weapons.
** [[NukeEm Nuclear warheads]] and TheHulk also work, but those tend to be [[MeleeATrois more trouble than they're worth]].