"The Key That Breaks the Locke"
The Hand makes a deal with Lord Mandarin to protect him and his organization with a new weapon, a telepath. Betsy Braddock relives her childhood in England as Spiral gives her a ring to control young Betsy.
Fast-forward to today; Betsy is taken and made over by Spiral and Mojo as she is ready to join the Hand. Psylocke is being prepped by the Hand as her mind is being reprogrammed for her new role as spy and assassin for the Hand.
They are using her shattered memories to destroy her friends, to gain more power, in the form of rings to bring her into their service. Lady Mandarin is born.