Fan Casting Ghost in MMU/4.: Iron Man 2 (2010)

Ghost is an industrial saboteur with a special suit which allows him to go through the walls. Her real name is unknown, but she has been on the radar of S.H.I.E.L.D. since years. She is hired by Justin Hammer to steal one of Tony Starks armors but he didn't succed because of the intervention of Black Widow, but at the end she escapes