Superman succeeded in establishing a vast, detailed world with a rich history that surrounds aliens and metahumans. It even introduced several iconic comic book characters with roots far beyond Superman’s, including the Green Lantern, Hawkgirl, Mr. Terrific, Metamorpho, and the Engineer. This was all done on planet Earth.

James Gunn's recent comments about Supergirl's age and her knowledge of Krypton have already created a plot hole for the upcoming Supergirl movie.

James Gunn has just dropped a major hint that a Superman sequel is officially in the works. In his recent post on Threads, Gunn shared that he's working on pres