 Match is later tracked down and killed by Superboy-Prime, who then turns his body over to the rogue scientist Doctor Calligan.Calligan dissects Match's body and uses it to reverse engineer three clones of Superboy that resemble the hero when he first appeared, during his time with Young Justice, and during the brief period when he was brainwashed by Lex Luthor, respectively.During the ensuing battle, Robin and Ravager destroy all three clones by using a Kryptonite blade.