Avengers: Age of Ultron Trailer #3 (2015) Robert Downey Jr. Marvel Movie HDDirector: Joss WhedonWriters: Joss Whedon, Stan Lee (comic book)Stars: Robert Downey Jr., Chris Evans, Mark Ruffaloavengers age of ultron avengers age of ultron trailer 2015 avengers age of ultron trailer 3 vision robert downey jr chris evans black widow scarlett johansson paul bettany hulk mark ruffalo iron man ultron official HD 2015 movie trailer