Could a potential Iron Man 4 mark the end for Robert Downey Jr.’s Tony Stark?
Next week’s release of Anthony and Joe Russo’s Captain America: Civil War marks Robert Downey Jr.’s seventh big-screen appearance as Tony Stark. What’s more, it has already been confirmed that Downey is set to reprise the role again for next summer’s Spider-Man: Homecoming. Now, as part of an ABC News…
