Phase One was Iron Man 1 and 2, The Incredible Hulk, Thor, Captain America: The First Avenger and Marvel’s The Avengers. Phase Two was Thor: The Dark World, Captain America; Winter Soldier, Iron Man 3, Guardians Of The Galaxy, Avengers: Age Of Ultron and Ant Man.
And Phase Three?
Captain America: Civil War – May 6th 2016
Doctor Strange – November 4th, 2016 – directed by Scott Derrickson.
Guardians Of The Galaxy 2 (to be named) – May 5th, 2017 directed by James Gunn.
Thor: Ragnarok – July 28th, 2017
Black Panther – November 3rd, 2017 – starring Chadwick Boseman.
Captain Marvel – July 6th 2018 – featuring the Carol Danvers character.
Inhumans – November 2nd 2018.
Avengers: Infinity War Part 1 – May 4th 2018
Avengers: Infinity War Part 2 – May 3rd 2019
Also of note, Black Panther will appear in costume in Captain America: Civil War.