It's Mariposa Montiel's first day on the job with Nether Operations Place, a shadow organization responsible for protecting Earth against invasions from other realms.This is the new purpose Mari's been craving since she returned to the hostile real world after three years of thriving as a living legend in a magical alternate-dimension jungle paradise. It's the opportunity of a lifetime, but Mari's intensely intellectual field partner, Allen Dion, is openly envious of her first-hand experience with the extraordinary; and her boss, Dorothy Gale—yes, THE Dorothy Gale of the Land of Oz—has little patience for learning curves and may be carrying some baggage of her own into the mission.No pressure, right? Good thing there's no time to wallow in self-doubt when a wicked aquatic presence has a hold on Chicago's waterways and all eyes are on Mari to crack the case. Let the team-building begin!Eisner-nominated writer Tim Seeley (Revival, Peacemaker Presents: Vigilante) and knockout artist Stefano Simeone (Radiant Black) unite all-new heroes with genre icons in this chilling dark fantasy adventure! This issue also features an exclusive variant by Christopher Mitten (Hellboy and the B.P.R.D.).