Here's the template
August 1, 2014: Guardians of the Galaxy
May 1, 2015: Avengers: Age of Ultron
July 17, 2015: Ant-Man
May 6, 2016: Captain America 3
July 8, 2016: Untitled Marvel Studios Film
May 5, 2017: Untitled Marvel Studios Film
July 28, 2017: Guardians of the Galaxy 2
November 3, 2017: Untitled Marvel Studios Film
May 4, 2018: Untitled Marvel Studios Film
July 6, 2018: Untitled Marvel Studios Film
November 2, 2018: Untitled Marvel Studios Film
May 3, 2019: Untitled Marvel Studios Film
Who wants to fill in the blanks?
August 1, 2014: Guardians of the Galaxy
May 1, 2015: Avengers: Age of Ultron
July 17, 2015: Ant-Man
May 6, 2016: Captain America 3
July 8, 2016: (Doctor Strange)
May 5, 2017: (Black Panther)
July 28, 2017: Guardians of the Galaxy 2
November 3, 2017: (Thor 3)
May 4, 2018: (The Avengers 3: Infinity Gauntlet)
July 6, 2018: (Captain Marvel)
November 2, 2018: (Ant-Man 2 or Doctor Strange 2)
May 3, 2019: (The Indestructible Hulk)