Order the options from best (top) to worst (bottom)...

Iron Man (2008) The Incredible Hulk (2008) Iron Man 2 (2010) Thor (2011) Captain America: The First Avenger (2011) The Avengers (2012) Iron Man 3 (2013) Thor: The Dark World (2013) Captain America: The Winter Soldier (2014) Guardians of the Galaxy (2014) Avengers: Age of Ultron (2015) Ant-Man (2015) Captain America: Civil War (2016) Doctor Strange (2016) Guardians of the Galaxy: Vol. 2 (2017) Spider-Man: Homecoming (2017 Thor: Ragnarok (2017) Black Panther (2018)