Asian Hulk
4 villains of Batman,Superman,Captain America and the Hulk battles between the Leader,Red Skull,Mr.Freeze and Brainiac.so if the Leader and Red Skull can battling against Mr.Freeze and Brainiac.and Brianiac and Mr.Freeze can battling against the Leader and Red Skull.so Red Skull and the Leader are Marvel villains and Mr.Freeze and Brainiac are DC villains.