As the Avengers and their allies have continued to protect the world from threats too large for any one hero to handle, a new danger has emerged from the cosmic shadows: Thanos. A despot of intergalactic infamy, his goal is to collect all six Infinity Stones, artifacts of unimaginable power, and use them to inflict his twisted will on all of reality.

March, 1942. 90-pound weakling Steve Rogers doggedly attempts to enlist in the army, only to be repeatedly classified 4F. Rogers' determination and decency come to the attention of Dr. Abraham Erskine of the Strategic Scientific Reserve. Rogers is the first test subject for Erskine's super-soldier serum, which transforms him utterly. When the program is abruptly ended, Rogers becomes Captain America--touring America to sell war bonds. On a USO tour...

Brash adventurer Peter Quill finds himself the object of an unrelenting bounty hunt after stealing a mysterious orb coveted by Ronan, a powerful villain with ambitions that threaten the entire universe. To evade Ronan, Quill is forced into an uneasy truce with a quartet of disparate misfits. But when Quill discovers the true power of the orb and the menace it poses to the cosmos, he must do his best to rally his ragtag rivals for a last, desperate...

Thor is imprisoned on the other side of the universe and finds himself in a race against time to get back to Asgard to stop Ragnarok, the destruction of his homeworld and the end of Asgardian civilization, at the hands of an all-powerful new threat, the ruthless Hela.