The X-Men #15

Published in December 1965, The X-Men #15 arrived during the mid-sixties expansion of the Marvel Universe. Written by Roy Thomas with pencils by Werner Roth, the issue follows the team as they encounter the Vanisher and his new team, Factor Three. This period of the series was characterized by an attempt to solidify the X-Men’s rogue’s gallery, as Stan Lee and the creative team experimented with dynamic, often unconventional antagonists to contrast with the core student-teacher dynamic between Professor X and his proteges.

The visual identity of this era is often associated with the transition from Jack Kirby’s foundational aesthetic to the more illustrative style of Werner Roth, who often worked under the pseudonym Jay Gavin. Roth’s approach provided a slightly more grounded look to the characters during their formative years. While the series struggled to maintain the massive sales momentum of titles like The Avengers or The Amazing Spider-Man at the time, issue #15 remains a notable entry in the evolution of the mutant mythos, marking a point where the series began to lean more heavily into international espionage-style plots.