Stay with us . <| sep |> It just isn ' t feasible for actors to sign contracts that tell them to be in movies basically indefinitely . Recasting has already happened multiple times . Rhodey , Bruce Banner , and in both cases the replacement was perfectly acceptable , if not an improvement . I think actors should stay as long as possible , and in most cases that will be more than a few movies , which is great and the longer a single actor can play the part , the better , but it shouldn ' t be like the end of the world if a character is recast in order to keep the plot going . If anything they should just have a break for the character after the actor retires from the part . Like Iron Man should not be in movies for a while once RDJ retires the role .