Seeking revenge against Tony Stark, the leader of AIM seizes control of Stark Enterprises' corporate tower.

Ronan the Accuser of the Kree Empire arrives at Earth with Captain Mar-Vel in tow to pass judgment on whether the planet should be annexed or destroyed.

The Avengers receive a man who appears to have been experimented on by aliens, and now hunted by another extraterrestrial group.

SHIELD is apparently attacked by the Hulk, but Banner is accounted for elsewhere at the same time while this Hulk is red in color.

The Skrull Empire initiates their seizure of Earth and the Avengers are hard pressed to thwart it.

When Henry Pym is apparently killed, a new vigilante using equipment broadly similar to the scientist's is discovered attacking criminals.

After a month of being dormant for repairs, The Vision finds the world under the control of Tony Stark.

When there is a sudden exposure of a malignant virus around the Avengers mansion, the Secretary of Defense blames the team and lays siege of the headquarters.

While dealing with the Red Skull's escape with his Sleeper robots, Captain America also investigates the villain's former henchman who seems disturbingly familiar.