Avengers: Age of Ultron is the sequel to 2012's The Avengers and the 11th film in the Marvel Cinematic Universe. The film is written and directed by Joss Whedon and boasts a huge cast including; Robert Downey Jr., Chris Evans, Chris Hemsworth, Mark Ruffalo, Scarlett Johansson, Jeremy Renner, Samuel L Jackson, Don Cheadle, Aaron Taylor-Johnson, Elizabeth Olsen, Paul Bettany, Cobie Smulders, Anthony Mackie, Hayley Atwell, Idris Elba, Stellan SkarsgÄrd and James Spader.