Are you talkin about the creature that killed Superman? If you are, I know all about him. He first appeared in some forest area, where he went of a warpath towards Metropolis. The Justice League were defeated near an Lexcorp refinary. Superman appeared, they battled all the way to Metropolis, where they took each other out. Superman was then resurected and Doomsday appeared againt of Darkseid's planet. He was then teleported to a planet where he ravaged centuries before, where Superman learns that he was created on Krypton. Superman and Waverider put him at the end of time. Then, later on, Braniac took control of his body and battled Superman again. When Imperiex appeared, President Luthor send a host of super criminals to the moon to get Doomsday, where Superman had trapped him. He was killed andh is body put in the Pentagon. Then, the Joker released him and when he remembered that Luthor sent him to die, he went to kill him. Superman appeared, and defeated him. Luthor then handed his body other to Darkseid, and that is the last we've seen of Doomsday...for now!
yes I would love to see another showdown. But they're running out of ways to kill him.PResumably he now can't be beaten to death by superman(but maybe by someone stronger), cant be split up into atoms(meaning those with more cosmic type powers cant hurt him) given that he cant be beaten the same way twice. The guys like a superpowered jason!