How many movies have J. Michael Riva and Michael L. Fink collaborated on?

They have worked on 3 movies together! Their first movie together was The Adventures of Buckaroo Banzai Across the 8th Dimension (1984) while their highest rated movie together was Lethal Weapon 4 (1998). They have not worked together since Lethal Weapon 4 (1998). They are most known for their comedy films together.