MCU movies, ranked

Tier 1, crucial:
Black Panther
Guardians of the Galaxy
Thor: Ragnarok
Avengers: Endgame
Captain America: The First Avenger
Iron Man

Tier 2, sentimental favorites:
Spider-Man: Homecoming 

Captain America: The Winter Soldier
Avengers: Infinity War
Captain Marvel

Tier 3, good, not great:
Marvel's The Avengers
Spider-Man: Far From Home
Guardians of the Galaxy Vol. 2

Tier 4, enjoyed, but definitely a side mission:
Ant-Man
Ant-Man and the Wasp

Tier 5, yes, that technically is a movie:
Captain America: Civil War
Iron Man 2
Avengers: Age of Ultron
Doctor Strange
Iron Man 3
Thor

Tier 6, no need to ever rewatch:
Thor: The Dark World
The Incredible Hulk