is still contemplating whether or not he will do "", but it will be easier for him to make a decision if an old friend of his is involved. Speaking to Deadline, the actor says he would love to return for another solo movie if serves as a director.
Downey says doing the fourth movie will be a way of repaying the "Braveheart" star for the things he did to help Downey during the self-destructive chapter in his life years ago. "Correct," Downey says when pressed on the matter. "Why not? That movie would be bananas."