Ranking (or even rating) this is tricky for me; it's all over the place, with its highs so good and its lows so meh that I can place it high below Thor or way down below the first Captain. For now, let's just say I like its exuberant highs better than the first Iron Man's consistency.

Captain America: Civil War (2016)
The Avengers (2012)
Avengers: Age of Ultron (2015)
Guardians of the Galaxy (2014)
Captain America: The Winter Soldier (2014)
Thor (2011)
Iron Man 3 (2013)
Guardians of the Galaxy Vol. 2 (2017)
Iron Man (2008)
Doctor Strange (2016)
Captain America: The First Avenger (2011)
Iron Man 2 (2010)
Ant-Man (2015)
The Incredible Hulk (2008)
Thor: The Dark World (2013)