Phase Two of the Marvel Cinematic Universe (MCU) is a group of American superhero films produced by Marvel Studios based on characters that appear in publications by Marvel Comics. The MCU is the shared universe in which all of the films are set. The phase began in May 2013 with the release of Iron Man 3 and concluded in July 2015 with the release of Ant-Man. Kevin Feige produced every film in the phase. Joss Whedon, writer and director of the crossover film Avengers: Age of Ultron (2015), consulted on all the films.