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 phase began in 2013 with the release of Iron Man 3 and concluded in 2015 with the release of Ant-Man. It includes the crossover film Avengers: Age of Ultron, also released in 2015. Kevin Feige produced every film in the phase. The six films of the phase grossed over US$5.2 billion at the global box office and received generally positive critical and public response.

The Marvel Cinematic Universe (MCU) is an American media franchise and shared universe centered on a series of superhero films produced by Marvel Studios. The films are based on characters that appear in American comic books published by Marvel Comics. The franchise also includes television series, short films, digital series, and literature. The shared universe, much like the original Marvel Universe in comic books, was established by crossing over common plot elements, settings, cast, and characters.