How many movies have Bruce King and Butch Lukic collaborated on?

They have worked on 12 movies together! Their first movie together was Batman Unlimited: Animal Instincts (2015) while their highest rated movie together was Justice League: Crisis on Infinite Earths Part One (2024). They have not worked together since Justice League: Crisis on Infinite Earths Part Three (2024). They are most known for their animation films together.