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

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

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

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

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

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