In the OVA "Mutant Turtles: Superman Legend," Krang serves as an antagonist. He allies with Shredder to locate and utilize the Dark Muta Stone. His goal is to awaken the demonic entity Dark Mu contained within the stone, and this objective drives his actions throughout the narrative. Krang operates within the context of pursuing this supernatural threat. His role is defined by this objective and his collaboration with Shredder.