How many movies have Melissa Sturm and Yashar Kassai collaborated on?

They have worked on 3 movies together! Their first movie together was Spider-Man: Into the Spider-Verse (2018) while their highest rated movie together was Spider-Man: Across the Spider-Verse (2023). They have not worked together since Spider-Man: Across the Spider-Verse (2023). They are most known for their adventure films together.