moses telling pharoah that if the hebrews sacrificed to g-d while in egypt, it would be the egyptian deities being sacrificed

Mongul and Warworld were introduced in the anthology comic DC Comics Presents 27#, with a cover date of November 1980. They were introduced by Len Wein and Jim Starlin. ("The Key that Unlocks Chaos", "Whatever Happened to Congorilla?", DC Comics Presents 27#, DC Comic Event)