Hulk tries not to get captured by S.H.I.E.L.D. and Hulkbuster units, while Hawkeye is betrayed by Black Widow who is apparently working for HYDRA.

Thor is attacked by a powerful creature known as Beta Ray Bill – who proves himself just as able to lift and wield Mjölnir. Thor and Sif soon finds themselves allying with this strange warrior (who apparently has his own reasons for disliking Surtur) to save all of Asgard from being burned to the ground […]

The Leader has placed an expanding dome of pure gamma radiation around the Cube, with anyone caught inside it being mutated into a Gamma Monster. The Avengers, along with the support of S.H.I.E.L.D., enter the Cube in an attempt to the destroy the Gamma Generator.

Kang the Conqueror comes from the 41st century to destroy Captain America, who Kang believes may soon cause his timeline to cease to exist.