The Avengers are trapped inside of an H-Bomb that is intended to be dropped on the Empire State Building. Jarvis manages to escape and relates the location of the bomb to a mysterious ally. Also, the true identity of the Crimson Cowl is revealed.
The Avengers return to New York to find an atmosphere and era that doesn't recognize them. Due to changes in the world's timeline, the old Avengers still hold their mantel and answer to one known as the Scarlet Centurion.
The Avengers are sent on a wild goose chase to rescue the Black Widow, leaving Hawkeye behind because of his emotional involvement. When an SOS comes in from New York, Hawkeye leaps into action in an unexpected fashion.
Egghead levels a US city and demands total acceptance of his terms. When the leader of half of New York's rackets shows up at the Avenger's mansion, the team questions his motives on why he would help against Egghead.
The Red Skull swaps bodies with Captain America via the Cosmic Cube and begins to torment the real Captain America with trials that include seeing Sharon while he appears to be the Red Skull and battling the Avengers.
Ultron battles his way out of the Avengers mansion to his old base of operations. The Vision awaits his old master's arrival in preparation for a final showdown. Meanwhile, the Avengers head to the same location to stop the arch-fiend.
Ultron continues to plot the destruction of Manhattan after his initial plan was defeated at the hands of the Vision. The Avengers prepare a trap at a UN summit which lures Ultron towards the secret of Adamantium.
Kang's creation the Growing Man captures Tony Stark in order to lure the Avengers his own time. This time, he brings them forward in time, not to wage battle, but as allies in a game of chess against a powerful being and his own set of champions.
The Black Panther, Yellojacket, and Vision are sent back in time to Nazi Germany circa 1941 to face three of the most heroic men from that era Captain America, Namor the Sub-Mariner, and the original Human Torch in a contest to decide the fate of Earth.
City officials begin missing and the Avengers decide to investigate. At a meeting, Scorpio blows up the room and captures the team. This leads to an unveiling of the group Scorpio has been a part of since he began his attacks on S.H.I.E.L.D.
The Sons of the Serpent come out of the woodwork and again begin targeting minorities in order to achieve their aims. When a hit singer and a talk show host are both attacked because of their darker skin, T'Challa takes matter into his own hands as the Black Panther!