Nick Fury & S.H.I.E.L.D. decide that it's time to initiate their plan, to bring together a team of superheroes including Captain America, Iron Man, Thor, the Hulk, Hawkeye, the Black Widow, Ant-Man, the Wasp, & Spider-Man to save the world from Thor's evil brother Loki who has come to invade Earth. These nine heroes must put aside their differences and work together if they wish to save the world.
