X-Men: First Class #6

In "The Catalyst," Xavier and the X-Men face their greatest vulnerability when a mysterious asteroid investigation leaves them powerless—just as a Sentinel assault threatens the mansion. Written by Jeff Parker and illustrated by Roger Cruz, this pivotal 2008 issue explores the fragility of their abilities with tense, grounded storytelling. The cover by Eric Nguyen captures the moment’s urgency, perfectly framing the stakes.