The Uncanny X-Men, Vol. 1 #397 (Marvel Comics 2001)

The Uncanny X-Men, Vol. 1 #397 (Marvel Comics, 2001) continues the gripping Poptopia! arc with a London-flavored thriller that blends superhero action with -hostile noir. Story by Joe Casey and Ian Churchill, with cover art by Ian Churchill, this issue pushes the X-Men into new moral and mechanical tension as they chase survivors and confront a chilling new threat.

Chamber feels the squeeze of tabloid scrutiny as the X-Men press on to locate helpless mutants hiding in the London underground. The clock is ticking as they race to reach these vulnerable minds before Mister Clean—the unstoppable genetic cleanser—reaches them first. The tension between public perception and the X-Men’s mission adds a sharp, real-world edge to the thrill ride.

As chapter three of "Poptopia!" unfolds, more mysteries behind this sadistic new adversary are revealed, deepening the conflict and amplifying the stakes for the team and for the mutants they vow to protect.

• Creative team: Joe Casey & Ian Churchill (story), Ian Churchill (cover)
• Setting: tense, gritty London underground backdrop adds a distinct atmosphere to the X-Men mythos
• Antagonist: Mister Clean, a formidable new genetic cleanser challenging the team’s odds
• Story arc: continues the Poptopia! saga, chapter three
• Format details: 36 pages, cover price $2.25