When Steve Rogers is seriously injured, Peggy Carter becomes the world's first Super Soldier.
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.
A grief-stricken Doctor Strange uses the Eye of Agamotto in a dangerous effort to change the past.
When the Avengers are infected by a zombie plague, surviving heroes search for a cure.
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.
Natasha Romanoff and Clint Barton seek to destroy killer-robot Ultron following a cataclysmic event.
What If... The Watcher Broke His Oath?