Fiona Wilson was a physician trapped within Arkham City.
Batman: Arkham City
Fiona Wilson was an intern at a Gotham hospital. Someone drugged her and then dragged her into the Wonder Tower Foundation in Arkham City.
Fiona Wilson appeared in Arkham City as a hostage. The Joker ordered the inmates to kill her, but Batman took them all down. And after the Wonder Tower Foundation was cleared, Batman rescued Fiona and got her to a safe place so she wouldn't be harmed again. Fiona thanks Batman for saving her. Batman asked Fiona what she was doing in Arkham City, but she didn't know where she was. Batman told her to stay where she was and that he'd be back for her. After Protocol 10 activated, Batman met up with Fiona again. Batman asked her what happened, she said that the TYGER Guards who work for Hugo Strange were killing all the inmates in the room. Batman told her to hide again. After the Joker's death Fiona was able to leave Arkham City.