Uncanny X-Men Vol 1 #256

“The Key That Breaks the Locke”
Published by Marvel Comics
December, 1989

1st Appearance: Lady Mandarin / New Psylocke (Betsy Braddock)

A cabal made-up of some of Marvel’s most dangerous villains has gathered together to pull their resources and finally destroy the heroes who oppose them.
This inner circle consists of Doctor Doom, Magneto, the Kingpin, Wizard, Red Skull, the Mandarin, and a mysterious benefactor.
Their plan is to surprise their enemies with foes whom they’ve never faced.

In this issue, Iron Man’s arch nemesis the Mandarin takes on a new apprentice – Lady Mandarin! The X-Men know her as Psylocke.

Cover Artist: Jim Lee
Writer: Chris Claremont
Artist: Jim Lee