Given his high status as a supervillain, he has also come into conflict with Batman, the Flash, Green Lantern and other heroes in the DC Universe.

Mark Waid, writer of the Metamorpho limited series, commented that "writing Simon Stagg was always a tightrope walk.

He sent adventurer Rex Mason to Egypt to retrieve a meteor referred as the Orb of Ra, during which he was exposed to its energy and transformed into Metamorpho.

[2] Sometime later, Stagg tricked the Metal Men into attacking the Justice League and had Java detain Rocket Red and Animal Man.

His story was that Sapphire and Joey, Metamorpho's son, had been caught in a lab explosion and merged into a single energy being who was taking revenge on Stagg's former colleagues.

[17] This version is a philanthropist and entrepreneur from Central City who researches airborne inoculation technology and has been accused of human rights violations.

Additionally, he developed clean power cell technology called Nimbus generators for the Scarecrow, who later betrays Stagg and leaves him to be arrested by the GCPD.