Uncanny X-Men #221 GD/VG 1st Appearance of Mr. Sinister Newsstand Marvel

Uncanny X-Men #221b — a Marvel comic published in September 1987 during the Copper Age.

This issue features the significant 1st appearance of Mr. Sinister (Dr. Nathaniel Essex), showcasing a dynamic cover and pivotal moments in the X-Men saga.

Comic Details

• Publisher: Marvel
• Published: September 1987
• Edition: Newsstand Edition
• Creators: Chris Claremont, Marc Silvestri, Daniel Green 'Dan', Ann Nocenti, Terry Kavanagh

A must-have for collectors and fans of the X-Men series!