Movies News Robert Downey Jr. talks 'Iron Man 4' with David Letterman 10/08/2014 Robert Downey Jr. has confirmed there will be no "Iron Man 4." Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Robert Duvall Robert Downey Jr. David Letterman Mel Gibson Iron Man The Avengers The Avengers: Age of Ultron The Judge
