Avengers: Age of Ultron is a superhero adventure film based on the Avengers comic books. It is directed by Joss Whedon, stars Robert Downey Jr., Chris Evans, Mark Ruffalo, Aaron Taylor-Johnson, Scarlett Johansson, Elizabeth Olsen, Jeremy Renner, Chris Hemsworth, Cobie Smulders, Hayley Atwell, Paul Bettany, and Samuel L. Jackson, and features the voice talents of Lou Ferrigno and James Spader.