Deathlok

"You're in danger." "What do you mean danger?" "S.H.I.E.L.D." "I should carry a shield?"

- Skye and Michael Peterson

Michael Peterson is a man who developed superpowers through use of Extremis.

Biography
Not much is known about Peterson's early life. In unknown circumstances, he was exposed to Extremis, a virus developed by Maya Hansen and Aldrich Killian. Unlike other users of Extremis, Peterson escaped the fate of serving as Killian's soldier in his vendetta against Tony Stark. Still, thanks to Extremis, he developed several superpowers.

Trivia

 * A character named Mike Peterson appeared in the comic books. He was the best friend of Slapstick.