Although he's expected (but apparently not contracted?) to appear at least one more time as Tony Stark in The Avengers sequel, the actor says he is looking forward to retiring the red and gold armor at some point soon so he can focus on other projects.

For many fans Robert Downey Jr. IS Tony Stark. Since his first outing as the arrogant billionaire turned superhero in the firstmovie, through a disappointing sequel (RDJ was no less awesome) and arguably stealing the show in, the actor has come to define the big screen version of the character. Now he's set to armor up again for, and we assume he'll be back for thesequel..but then? Downey Jr. has spoken before about moving on from playing the character, but in a recent interview with GQ he really sounds like he's considering saying goodbye to Tony Stark for good.He brings up an injury he sustained while shooting-- a wire jump he'd successfully completed many times before which resulted in him blowing out his ankle.he saysHe continues.When quizzed a little further, Downey Jr. then hints that the end may come in about three years when he turns 50, but nothing is for certain.Be sure to click the link below to check out the interview in full.