"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!"--
General Note: "Originally published in single magazine form in Shadow War Zone 1, Harley Quinn 18-21, Harley Quinn 2022 Annual.""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."