The 48-year-old actor has thus far refused to confirm if he will make another movie in the successful franchise, but director Shane Black is confident Downey Jr will return for at least one more outing as Tony Stark/Iron Man.

Robert Downey Jr will return for Iron Man 4, according to the director of the latest superhero outing.

http://3dguy.tv/robert-downey-jr-tipped-to-return-as-superhero-in-iron-man-3/