According to a new DCU theory Ultraman from 2025's Superman might not be a clone, but an original member of JLA: Martian Manhunter.

DC Comics’ First Ultraman, an Evil Superman from Earth-3. The first DC Comics Ultraman was a member of the Crime Syndicate of Earth-3, first appearing in 1964’s Justice League of America #29.

The powers of Ultraman depicted in the trailer do align with Martian Manhunter’s powers. Martian Manhunter also possesses heat vision, super strength, and the ability to go head-to-head with ...