The demon brothers fight for control of Pandemonium gets even messier when their sister joins in with her own ideas for the future of Hell.Mike Mignola is joined by his brother Todd Mignola (Hellboy: The Exorcist of Vorsk) and artist Warwick Johnson-Cadwell (Our Encounters with Evil) in this new Hellboy prequel series. Longtime Mignola collaborator Warwick Johnson-Cadwell joins the Hellboy universe! Brothers Mike and Todd Mignola pen this story about Hellboys brothers! Two-issue series.