"Harley Quinn created by Paul Dini and Bruce Timm. Superman created by Jerry Siegel and Joe Shuster, by special arrangement with the Jerry Siegel family." "Originally published in single magazine form in Shadow War Zone 1, Harley Quinn 18-21, Harley Quinn 2022 Annual"--Copyright page.
Summary:
"One small step for the Gotham villains, one giant leap for clown-kind! That's right...this fashionably vocal clown is headed to space. Turns out there's some old experiment left in the JLA moon base, and Luke Fox has put together a team of former villains to help clean up the mess. Sendin' a buncha villains to the moon...? What could go right? Join me, Killer Frost, Bronze Tiger, Solomon Grundy, and more as we learn to moonwalk and put the X in Task Force XX!"-- Provided by publisher.
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