The Avengers are called on to fight an AI robot. Marvel 10th Anniversary Year 2015 Theatrical Release 2015-05-01 Video Release 2015-10-02 Studio Marvel Studios Genre Action MPAA Rating PG-13 CARA intense sequences of sci-fi action, violence and destruction, and for some suggestive comments Color Color Runtime 141 Animated Live-Action Full Synopsis When Tony Stark jumpstarts a dormant peacekeeping program, things go awry and Earth's Mightiest Heroes, including Iron Man, Captain America, Thor, The Incredible Hulk, Black Widow and Hawkeye, are put to the ultimate test as they battle to save the planet from destruction at the hands of the villainous Ultron. Director Joss Whedon Cast Joss Whedon; Robert Downey Jr.; Chris Hemsworth; Mark Ruffalo; Chris Evans; Jeremy Renner; Scarlett Johansson; James Spader voice ; Samuel L. Jackson; Elizabeth Olsen; Aaron Taylor-Johnson