G.I. Joe: Frontline #18 was published by Image Comics on December 1, 2003, as part of a series that began in 2002. Mike Norton and Tim Seeley write, and art comes from Brett Smith, Clayton Brown and Dan Norton. This 36-page issue features Roadblock, Mainframe, Tomax, Xamot and Road Pig, among 10 characters cataloged on VerseDB.