Ultimate Avengers: The Movie

In the North Atlantic, 1945, a squadron of B-24 Liberators carries the 101st Airborne as radio chatter hints Berlin has fallen and surrender is near. Rumors speak of a Nazi superweapon aimed at the United States. Captain America, Steve Rogers, leads an assault on a fortress island near Norway to seize the weapon; he confronts Herr Kleiser and sacrifices himself by leaping onto the rocket, causing it to self-destruct and disappear with him into the sea.

Rogers faces Herr Kleiser in the fortress as the weapon is launched. He makes a final sacrifice by jumping onto the rocket and forcing it to self-destruct. The explosion destroys the weapon and Rogers is lost at sea, presumed dead by the world.

Decades pass until Nick Fury recovers Rogers' body and thaws him into the modern day. Bruce Banner, a gamma scientist, works within S.H.I.E.L.D. on a version of the super soldier concept while staying on medications to suppress the Hulk. Fury launches preparations that lead to Project: Avenger as the threat of invasion looms.

Fury attempts to recruit Thor, who initially resists joining Earth due to his own commitments. The plan then brings together Captain America, Bruce Banner, Iron Man, Giant-Man, Wasp, Natasha Romanoff, and Betty Ross to form the core team. The team begins to shape up as a diverse, uneasy group.

Fury briefs the Avengers about the alien Chitauri threat and the strategic use of vibranium. Banner struggles to keep the Hulk contained, while Rogers wrestles with the responsibility of leading a team of heroes. The team learns that unity will be essential to stand against the invaders.

The Avengers attempt to capture a Chitauri infiltrator inside a SHIELD facility. The team ignores Rogers' cautious guidance and pursues their own pursuits, allowing the spy to escape with critical information about SHIELD. The failure tests their fledgling cohesion and trust.

Fury dismisses the arrogant Hank Pym, triggering tension within the ranks. Wasp accompanies him as he leaves SHIELD, signaling fractures among the original roster. The incident foreshadows the growing rift in the fledgling team.

Iron Man, revealed to be Tony Stark, resigns immediately after the earlier turmoil. His departure further unsettles the fledgling Avengers as they seek direction. The team faces an uncertain path forward without Stark’s tech and leadership.

Captain America chooses to step away from Fury, feeling unready to lead against the Chitauri threat. He withdraws to reassess where his loyalties and leadership should lie. The division within the group underscores the challenges they face.

Fury orders Banner to test a broad super-soldier serum on recruits, but Betty Ross reveals the ruse is to control the Hulk. Banner steps into a 'rebirth chamber,' transforming into the Hulk while retaining his own mind. The team now has a powerful new ally, albeit one capable of unpredictable violence.

The Avengers regroup with Thor joining the fray, and the team executes a renewed assault against the Chitauri. The combined might of the heroes drives the three invader ships toward the ocean, turning the tide of the conflict. The alliance demonstrates that teamwork can overcome seemingly insurmountable odds.

The Hulk loses control, becoming childlike and brutally violent, slaughtering the Chitauri and inflicting damage on teammates. He powers up enough to lift Mjolnir, showing his strength as well as volatility. The other Avengers act quickly, injecting him with Banner’s medication to subdue him and restore his humanity.

Banner is restrained in a glass cell after breaking Fury's trust, while the Avengers celebrate their hard-won victory over the Chitauri. Captain America receives praise for stepping up as a leader during the crisis. The team begins to see themselves as a unit, despite the earlier betrayals.

With the alien threat repelled, the Avengers celebrate their success and acknowledge their shared purpose. They face the future together, aware that they have formed a bond under pressure. The world has a new protector in the form of the Avengers.