GUNFIGHT AT THE NOT-SO-OK CORRAL! Saddle up for a Wild West showdown the likes of which Moo Mesa has never seen!The sinister shadow-villain known only as Dark Horse has pushed Cowtown to the brink—vanishing half the townsfolk (including Marshal Moo Montana’s old mentor, Marey Quine), mutating the other half into feral beasts, and now they’ve stolen the C.O.W.-Boys’ trusty steeds right out from under them!But Moo Montana, Dakota Dude, and the Cowlorado Kid aren’t about to let the villain ride off into the sunset that easy. No sirree, ma’am. It’s time to head underground—into the tangled, treacherous tunnel network beneath Moo Mesa! Writer Matt “Hotshot” Hotson (Power Rangers: The Return) and artist Juan “Giddyup” Gedeon (DC: The Jurassic League) wrangle up classic Western grit with mutant mayhem and mystery!