Showcase #99 (DC, 1978 — Cover A)
DC Comics · Showcase (1956-1978) · 17 pages · Published 1978-04-05
- Paul Levitz — Writer
- Joe Staton — Penciller
- Dick Giordano — Inker
- Joe Staton — Cover Artist
- Dick Giordano — Cover Artist
- Adrienne Roy — Colorist
As Power Girl adopts the secret identity of Karen Starr to better fit in on Earth, Brainwave uses a computer to transport Keystone City into a limbo dimension.
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