After returning from one of their missions, they discovered Deadpool had killed their king and become the new monarch according to ancient Monster Law. Although understandably hesitant at first, the entire team eventually accepted Deadpool as their new leader and helped him defeat Kraven the Hunter as he hunted for him.
Powers and Abilities
Bün Bün has super strength and shoots lasers from his eye.
Bün Bün is "Deadpool's Guide to Monsters" card number 3092.