Updated: 7/3/2023

I took this from several websites AND from the Marvel Timeline in the Disney+ app. You can see how AMC recommends.

Captain America: The First Avenger (2011) 4/1/2021
Captain Marvel (2019) 4/2/2021
Iron Man (2008) 4/5/2021
Iron Man 2 (2010) 4/6/2021
Thor (2011) 4/7/2021
The Avengers (2012) 4/8/2021
Thor: The Dark World (2013) 4/12/2021
Guardians of the Galaxy (2014) 4/14/2021
Guardians of the Galaxy Vol. 2 (2017) 4/15/2021 (Tax day was extended to 5/15)
Iron Man 3 (2013) 4/16/2021
Captain America: The Winter Soldier (2014) 4/19/2021
Avengers: Age of Ultron (2015) 4/20/2021
Ant-Man (2015) 4/22/2021
Captain America: Civil War (2016) 5/2/2021
Black Widow 6/11/2021
Black Panther (2018) 5/11/2021
Spider-Man: Homecoming (2017) 5/12/2021
Doctor Strange (2016) 5/17/2021
Thor: Ragnarok (2017) 5/19/2021
Ant-Man and the Wasp (2018) 5/20/2021
Avengers: Infinity War (2018) 5/25/2021
Avengers: Endgame (2019) 5/26/2021
Spider-Man: Far From Home (2019) 5/30/2021
Spiderman: No Way Home 12/2021
Shang-Chi and the Legend of the Ten Rings 9/9/2021
Eternals 11/10/2021
Doctor Strange in the Multiverse of Madness 5/7/2021
Thor: Love and Thunder 6/9/2022
Black Panther: Wakanda Forever 11/15/2022
Ant-Man and the Wasp: Quantumania 3/1/2023
Guardians of the Galaxy Vol. 3 5/6/2023