Tony Stark, also known as Iron Man, is a fictional character in Marvel Comics. A genius billionaire and owner of Stark Industries, Stark becomes the superhero Iron Man after creating a technologically advanced powered exoskeleton to save his life. As a founding member of the Avengers, he fights crime and global threats. Stark’s character evolves from a playboy industrialist to a more responsible superhero, and he faces personal challenges like alcoholism. Portrayed by Robert Downey Jr. in the Marvel Cinematic Universe (MCU), Iron Man has become an iconic and influential figure in comics and film, leaving a lasting legacy in the Marvel Universe.