Robert Downey Jr. Will Do Iron Man 4 If Howard Stern Directs (Video)
Downey says he will do the film if it's directed by Stern.
See the video below for more, which includes Robert Downey Jr. making repulsor ray sounds.
Robert Downey Jr. previously stated he would do Iron Man 4 if it's directed by his friend, Mel Gibson.
The status of Iron Man 4 featuring Robert Downey Jr. seems to be up in the air as the actor recently stated that it's not in development, and that it is up to Marvel Studios and Disney to make the offer.