Inkworks has announced that Hellboy creator Mike Mignola will be among those creating sketches for their upcoming Hellboy: Sword of Stones set. Comics artist Sean "Cheeks" Galloway has also be announced as a second sketch artist.
Other artists are yet to be announced, but Inkworks is saying that sketch cards will be inserted one per box.
Hellboy: Sword of Stones will have a 72-card base set that is based on the upcoming animated tele-film. The set is scheduled for a January release.