http://www.imdb.com - A self described genius billionaire playboy and philanthropist with a mechanical suit of armor of his own invention. Downey was cast as part of his four picture deal with Marvel Studios which includes Iron Man 2 and The Avengers. Downey stated that he initially pushed Whedon to make Stark the lead revealing Well I said I need to be in the opening sequence. I do not know what you are thinking but Tony needs to drive this thing. He was like Okay lets try that.