How many movies have Brie Larson and Mark Ruffalo acted in together?

They have worked on 4 movies together! Their first movie together was 13 Going on 30 (2004) while their highest rated movie together was Avengers: Endgame (2019). They have not worked together since Shang-Chi and the Legend of the Ten Rings (2021). They are most known for their adventure films together.