The movies in the MCU are organized in sections called Phases. So far, Phases One, Two and Three have been released. Phase One began in 2008 with the release of "Iron Man" and ended in 2012 with the release of "The Avengers". Phase Two began in 2013 with the release of "Iron Man 3" and ended in 2015 with the release of "Ant-Man". Phase Three began in 2016 with the release of "" and ended in 2019 with the release of "". The first three phases in the franchise are collectively known as "The Infinity Saga". Phase Four will begin with the release of "Black Widow" and is supposed to end with "Doctor Strange in the Multiverse of Madness". 