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NM/MT 9.8 — An exceptional, nearly flawless comic with outstanding eye appeal. Only the tiniest handling or manufacturing imperfections may be present, and they’re difficult to spot.

Uncanny X-Men #221 is a major Copper Age X-title, featuring the first appearance of Mister Sinister (Nathaniel Essex) and a key chapter in the X-Men vs. Marauders conflict. The Marauders bring a dangerous edge to round two, with Polaris under Malice’s control, while Rogue and Dazzler’s tense history collides in the middle of the chaos. The mastermind behind the Marauders’ moves finally steps out of the shadows, setting up bigger threats ahead.

Key Details:
  • First full cover appearance of Mister Sinister
  • Early Marc Silvestri XMen artwork during his influential late 80s run
  • Key Marauders focused issue expanding their storyline
  • Set in the darker post Mutant Massacre era of Uncanny XMen
  • Part of the original 1963 Uncanny XMen ongoing series Copper Age run
Storyline:
The X-Men clash with the Marauders again, but this time the fight turns personal and unpredictable—Polaris is being manipulated, Rogue and Dazzler are forced into a volatile reckoning, and the hidden puppet-master behind the violence is finally revealed.

Box 21