B.P.R.D.: Hollow Earth #2 was published by Dark Horse Comics on April 1, 2002, as part of a series that began in 2002. Christopher Golden and Curtis Arnold write, and art comes from Dave Stewart and Ryan Sook. This 36-page issue features Hellboy, Abe Sapien, Elizabeth Sherman, Dr. Kate Corrigan and Johann Kraus, among 11 characters cataloged on VerseDB.