Ultimate Avengers: The Movie

In 1945, Captain America (Justin Gross) leads a mission on an island near Norway where he confronts his nemesis Herr Kleiser, a shape-shifter extraterrestrial, and destroys a Nazi superweapon launched at Washington. Years later, Captain America is thawed out in modern day by S.H.I.E.L.D. director Nick Fury (no actor mentioned). The team assembles to fight an alien invasion led by the Norse god Thor, with recruits including Bruce Banner, Iron Man, Giant-Man, Wasp, Natalia Romanoff, and Betty Ross.