The New Mutants #23

Published by Marvel Comics in January 1985, The New Mutants #23 serves as a pivotal entry in the series written by Chris Claremont with cover art by Bill Sienkiewicz. The issue is noted for its role in the 'Demon Bear Saga,' a dark, psychological narrative arc that pushed the boundaries of the title's typically upbeat teen-superhero tone. This period of the series marked a significant departure from standard superhero aesthetics, as the creative team leaned into atmospheric, horror-infused storytelling to explore the trauma and inner fears of the young mutant characters.

Bill Sienkiewicz’s contribution to this issue is frequently cited as a turning point for comic book art, characterized by an expressive, avant-garde style that prioritized emotional resonance over traditional anatomy or rigid paneling. His work on this arc was intentionally jarring to readers accustomed to more conventional illustrations, yet it received critical acclaim for its innovative use of mixed media and dark, surrealist imagery. The issue remains a benchmark for how the X-Men franchise successfully integrated mature thematic elements into its secondary titles during the mid-eighties.