After an evening of canoodling with Supergirl he discovers it is the Kryptonian male that becomes pregnant. This causes him to reevaluate his human raised self-image so that he finally comes to understand his image as a male has been self deception and he becomes the first major transgender superhero? Doubt it, more likely just more of the same. Doomsday, the arch brick, is back. Something new? That would be new.