"A Princess' Story" from "Secret Origins" (vol. 2) #28 sheds light on Nightshade's origin, revealing that her mother hailed from the Land of the Nightshades. An ill-fated trip to this world ends with Nightshade's mother dead and her brother abducted, and Nightshade spends the following years honing her shadowy powers and building a reputation as a crimefighter. She falls in with King Faraday at the C.B.I.; Faraday eventually introduces her to Amanda Waller, who agrees to help her rescue her brother in exchange for Nightshade's participation in the Squad.