Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.

A grief-stricken Doctor Strange uses the Eye of Agamotto in a dangerous effort to change the past.

The Watcher breaks his oath and recruits heroes from across the multiverse to battle against Ultron.

The rough-and-tumble space pirates known as the Ravagers abduct T’Challa instead of Peter Quill.

Nick Fury struggles to launch The Avengers when candidates are targeted by a serial killer.

When The Avengers are infected by a zombie plague, surviving heroes search for a cure.

When Steve Rogers is seriously injured, Peggy Carter becomes the world’s first Super Soldier.

An American soldier called Killmonger rescues Tony Stark when his Humvee is attacked in Afghanistan.

Thor, who never learned to be a good hero, throws an out-of-control intergalactic party on Earth.