The Kryptonite Kingdom of El Caldero has been taken over by General Zod! Supergirl gathers her own super-force to infiltrate the Kingdom! Superboy-Prime, Conner Kent, Tomorrow Man, Lois Lane, Steel, Lana Lang, Natasha Irons, Princess Shark, and more of Supergirl’s wild cast! But before they can remove Zod from power, he unleashes a dangerous new force…What is the K-Zone?!
