As a young Chinese-British woman, Leiko became a feeled agent for the British MI-6. She had worked a number of missions before she became romantically involved with another MI-6 agent named Clive Reston.Though the two loved one another very much, the romance did not last. They did however remain good friends and teammates.
Leiko Wu was created by Doug Moench and Paul Gulacy and first appeared in Master of Kung Fu issue 33 (1975).
Major Story Arcs
A New Love
In her first appearance, Leiko Wu is relaxing in Reston's bath tub when he and the visiting Shang-Chi enter. She insinuates a romantic past with Reston, but that the relationship is over. She becomes embroiled in a conflict against the robot-obsessed villain Mordillo. Leiko Wu subsequently becomes a key ally of Shang-Chi.
After being pursued through the streets of London's Chinatown by the Shadow Ghosts, Leiko Wu is dismembered by Razor-Fist. She is later resurrected by Midnight Sun's ritual, channeling the spiritual powers of her ancestors.
Earth-1610. Leiko also exists in the Ultimate universe as a love interest for Shang-Chi, though she is not a secret agent.