When Tony Stark, an industrialist, is captured, he constructs a high-tech armoured suit to escape. Once he manages to escape, he decides to use his suit to fight against evil forces to save the world.
Thor is exiled by his father, Odin, the King of Asgard, to the Earth to live among mortals. When he lands on Earth, his trusted weapon Mjolnir is discovered and captured by S.H.I.E.L.D.
Determined to cure the disease that has plagued him his entire life, Morbius conducts a drastic experiment, which bears unforeseen consequences.
In an accident, Stephen Strange, a famous neurosurgeon, loses the ability to use his hands. He goes to visit the mysterious Ancient One to heal himself and becomes a great sorcerer under her tutelage.
Ajax, a twisted scientist, experiments on Wade Wilson, a mercenary, to cure him of cancer and give him healing powers. However, the experiment leaves Wade disfigured and he decides to exact revenge.
Peter escapes from the planet Morag with a valuable orb that Ronan the Accuser wants. He eventually forms a group with unwilling heroes to stop Ronan.
Peter Parker, an outcast high school student, gets bitten by a radioactive spider and attains superpowers. Soon, he is forced to use his abilities to fight a monstrous foe.