Debbie

Biography
Debbie (Last name unknown) is a doctor that was testing the Centipede device for an unknown benefactor.

When one of her test subjects exploded due to the unstable nature of Centipede's use of Extremis, she was saved from the burning building by another of her patients, Michael Peterson, who had developed super powers from the procedure.

When Peterson also showed signs of de-stabilization and threatened the secrecy of the Centipede program, She sent an assassin to kill Peterson to ensure his silence. The assassin was unsuccessful and taken into custody by S.H.I.E.L.D.

Debbie's current whereabouts are unknown.

Behind the scenes
Debbie is set to return in Girl in the Flower Dress.