VIDEO : Robert Downey Jr. Talks About Quitting Iron Man

Robert Downey Jr. says he wants to stop playing 'Iron Man' before it gets "embarrassing" and he can't do the role justice. Downey, who is 52-year-old, has starred as the metal-suited superhero in seven movies. He will be returning as Tony Stark in the next two 'Avengers' films. Downey told News Corp Australia "I just want to hang up my jersey before it's embarrassing."