Mark Grayson is teenage superhero Invincible. He was a normal high school senior with a normal part-time job and otherwise normal life, except his father Nolan is the superhero Omni-Man, the most powerful superhero on the planet. At the age of 17, Mark begins to display superpowers, which come from his father being a member of the Viltrumite race, who, according to Nolan, pioneer the galaxy on a mission of benevolence and enlightenment.
Tony Stark - Iron Man, billionaire industrialist and director of S.H.I.E.L.D. - faces the most overwhelming challenge of his life. Ezekiel Stane, the son of Tony's late business rival and archenemy Obadiah, has set his sights, his genius and his considerable fortune on the task of destroying Tony Stark and Iron Man.