Uncanny X-Men, The (1963) #256

Volume 1, #256. "The Key That Breaks the Locke"

Marvel Comics. December, 1989.

Writer(s): Chris Claremont

Artist(s):  Jim Lee, Scott Williams, Glynis Oliver

Notes:

ACTS OF VENGEANCE tie-in

First Appearance: New Psylocke

Appearance: Mandarin