When the Tesseract, a cube of pure energy with the power to destroy the Earth, is stolen by the nefarious God of Mischief, Loki, S.H.I.E.L.D. leader Nick Fury embarks on a daring recruitment effort spanning the globe to assemble a team of the world's most powerful superheroes to get it back. Captain America, Iron Man, Thor, Black Widow, Hawkeye and The Hulk are brought together to stop Loki. But unfortunately, it'll take more than just assembling them to save the world from the brink of destruction.