Origin
Langley Saint-Margaret, A.K.A. The Zapster, was one of many heroes who joined the Anti-Registration Underground. It is unknown as to whether or not she was arrested by S.H.I.E.L.D. when they discovered the location of the Underground.
Creation
The Zapster was created by Paul Jenkins and Ramon Bachs, with her first (and only) appearance being in Civil War: Front Line #4 – Embedded, Part 4.