How many movies have Joe MacDonald and Michael Uslan collaborated on?

They have worked on 2 movies together! Their first movie together was Justice League x RWBY: Super Heroes & Huntsmen, Part One (2023) while their highest rated movie together was Justice League x RWBY: Super Heroes & Huntsmen, Part Two (2023). They have not worked together since Justice League x RWBY: Super Heroes & Huntsmen, Part Two (2023).