The Other Iron Man Iron Man : Season 1 Episode 25

Tony Stark is appearing before a congressional committee investigating the power of Iron Man. Before Stark can reveal anything, he has a heart attack. Eventually the newspapers let on that Stark and Iron Man are never seen together. In order to quash this rumor, Happy Hogan, Stark's assistant dons the armor. At the end of the segment the Mandarin thinking that Hogan is Iron Man, teleports him to his castle.