How many movies have Christopher Townsend and Mark Ruffalo collaborated on?

They have worked on 4 movies together! Their first movie together was Iron Man 3 (2013) while their highest rated movie together was Shang-Chi and the Legend of the Ten Rings (2021). 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.