Warlock #4 was published by Marvel Comics on December 1, 1999, as part of a series that began in 1999. Louise Jones Simonson and Stan Lee write, and art comes from Mark Morales, Olyoptics and Pasqual Ferry. This 38-page issue features Warlock, Mole Man, Hope, Psimon and Chi-Chee, among 7 characters cataloged on VerseDB.