How many movies have Michael Melchiorre and Robert Downey Jr. collaborated on?

They have worked on 2 movies together! Their first movie together was The Avengers (2012) while their highest rated movie together was Avengers: Endgame (2019). They have not worked together since Avengers: Endgame (2019).

Crew
Compositing Supervisor
Role
Tony Stark / Iron Man
Crew
Compositing Supervisor
Role
Tony Stark / Iron Man