 When Superman decided to enter the Phantom Zone to find the one manipulating the numerous events, he discovered Jax-Ur and his son, Zod-Ur.Jax-Ur reveals to Superman that he disrupted his powers knowing that Superman would trace the origin of the disruption to the Phantom Zone.Ur's son can control all Kryptonian technology with his telekinetic powers, except for the Phantom Zone Projector because it has too many safeguards.