In brackets are the years the films officially take place in, as confirmed by Marvel studios. Summary: Where the Marvel Cinematic Universe all began.
The rest plays mainly out in release order, minus Brie Larson’s Captain Marvel.
For newcomers to superhero movies — perhaps those who have become absorbed in the Marvel Cinematic Universe (MCU) following Black Panther — the amount of material to watch can be overwhelming.
Summary: Phase Two also plays out almost exactly in release order, except Guardians of the Galaxy Vol. 2, which comes directly after the first Guardians (like Captain Marvel, the film was released in Phase Three but actually takes place before then).