Desert Adder
From City of Heroes: Rebirth - Wiki
Overview
Desert Adder is an undercover spy for Arachnos.
Information
Sidewinder is one of Operative Rutger's assets. She's been undercover in Longbow for some time, but her cover's been blown. You have to extract her.
Notes
Both her description and her model name refer to "Sidewinder" rather than "Desert Adder".