At one point, Stassen began to work for S.H.I.E.L.D. and was based at the San Conception base.
Stassen was created by renowned writer Frank Miller and artist Bill Sienkiewicz, and was created for the Elektra: Assassin series.
Major Story Arcs
When Elektra breaks into the San Conception Base, Stassen briefly fights her and manages to pin her down with a taser. However, she manages to throw her sword at his leg which ultimately frees her.