Hellboy: Conqueror Worm #1 was published by Dark Horse Comics on May 1, 2001, as part of a series that began in 2001. Mike Mignola and Stan Sakai write, and art comes from Dave Stewart and David Stewart. This 36-page issue features Hellboy, Abe Sapien, Elizabeth Sherman, Dr. Kate Corrigan and The Lobster, among 14 characters cataloged on VerseDB.