Robert Downey Jr surprises fans at 'Infinity War' screening - WATCH

Robert Downey Jr. surprised fans at an Avengers: Infinity War screening, hinting at major shifts in the superhero team for the upcoming 'Avengers: Doomsday'. Directors Joe and Anthony Russo teased a revamped lineup and discussed managing the massive cast. Downey Jr. Robert Downey Jr. surprised fans at an Avengers: Infinity War screening, hinting at major shifts in the superhero team for the upcoming 'Avengers: Doomsday'. Directors Joe and Anthony Russo teased a revamped lineup and discussed managing the massive cast. Downey Jr.