Worldkillers
Created by a clandestine Kryptonian laboratory deep in space, these 5 "Worldkillers" were the results of testing on embryos collected of other species throughout space, their name is derived from Kryptonian myth.
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Worldkillers
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Creation
Created by writers Mike Johnson, Michael Green with artist Mahmud A. Asrar during the New 52 series Supergirl. First appearing in Supergirl #6, with the backstory revealed in #7.
