Mysterio vs Scarecrow
Round 1: MCU Mysterio without EDITH but still has drones and illusion tech vs Arkham games Scarecrow, takes place in Berlin construction site
Round 2: MCU Mysterio with EDITH vs Scarecrow with yellow lantern ring
Round 3: Old Man Logan (comics) Mysterio vs Christopher Nolan Scarecrow
Bonus Round: They team up against Batman and Spider-Man with preparation and take them by surprise who wins?