The Uncanny X-Men #210 is a vintage US comic book published by Marvel Comics in 1986. This single issue features the first cameo appearance of the Marauders, a team of mutant assassins, and is a key issue for X-Men fans. The comic is a first printing and is in very good condition. It is a newsstand variant with a color style and is boarded. The story title is "Mutant Massacre" and the issue number is #210. The comic book is written by Chris Claremont and illustrated by John Romita Jr.