The overall Hellboy numbering continues in this series from the two-issue series Hellboy: Makoma, or, a Tale Told by a Mummy in the New York City Explorers’ Club on August 16, 1993 (Dark Horse, 2006 series). Next is the three-issue series Hellboy: The Crooked Man (Dark Horse, 2008 series) — after the anthology one-shots Hellboy: Free Comic Book Day and Hellboy: The Mole and Other Stories, which share the same interior content and do not carry uberseries numbering.