If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. One of the most exciting MCU cameo rumors says Tom Cruise will play Iron Man in Doctor ...

As this list shows, the ranks of Earth's Mightiest Heroes could really swell by the time Avengers: Doomsday rolls around. The ...

Robert Downey Jr. first played Tony Stark in 2008's Iron Man. He later reprised the role in two sequels, four Avengers movies, Captain America: Civil War, and even Spider-Man: Homecoming.