Iron Man

Tony Stark

Played by Robert Downey Jr.

Tony Stark is a billionaire industrialist and engineer who took over his father's weapons company, Stark Industries, before a near-fatal capture led him to build a suit of powered armor and become Iron Man. He kept a chest-mounted arc reactor running on his own miniaturized technology, and used his genius for robotics and artificial intelligence — including creating J.A.R.V.I.S. — to found and fund the Avengers alongside Steve Rogers and Thor. Read more →

First turns up in Iron Man.