Uncanny X-Men #221 CGC 9.2 WP 1st Full Appearance of Mister Sinister, Marauders Appearance NEWSSTAND EDITION (Cert 0011) ``

Why it's Hot:

• 1st full appearance of Mister Sinister (Nathaniel Essex)
• Marauders appearance
• Major Mutant Massacre era key issue
• Marc Silvestri and Dan Green cover art
• Newsstand Edition
• White Pages

Synopsis:

It's the X-Men versus the Marauders: Round 2. With Polaris under the influence of Malice, Rogue and Dazzler must put aside their differences while the mastermind behind the Marauders is finally revealed. The issue features the first full appearance of Mister Sinister.