Sandi Brandenburg is a smart, young businesswoman. At one point, she dated the Taskmaster.^[2]

She later became Deadpool's assistant after Wilson gained fame and notoriety for the Four Winds job.^[3] Sandi worked for Wilson until his apparent passing, after which she discovered a horribly scarred man (Nijo/Agent X) and believed him to be Wade.^[4] Together with Outlaw and Taskmaster, they set up Agency X which continued to operate even after Deadpool was revealed to be alive and a separate person from Agent X.^[5]