Showcase #99 (1978)
Showcase #99 is an issue of the Showcase series from DC, released April 1, 1978. Written by Paul Levitz with artwork by Joe Staton. This page represents the regular first-print edition.
THE CRATER THAT WAS KEYSTONE CITY As Power Girl adopts the secret identity of Karen Starr to better fit in on Earth, Brain Wave uses a computer to transport Keystone City into a limbo dimension. Allowing herself to be captured, Power Girl fights back at Brain Wave and is eventually able to defeat him and use her newfound computer knowledge to restore Keystone City to its proper location!
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