"No." But even as she says it, her arm does as commanded. Natasha stares, surprised enough she doesn't hide it, and then she's schooling her expression as she tries to lower her arm again. The implications aren't lost on her; she knows exactly what he was trying to do now, and she needs to get out.

Now.

Nat's eyes scan the room for any other out, but all she sees is the window on the other side. If she needs to she'll jump out, but she'd really rather not. She she tries her best to open the door with her useless arm, staring Loki down defiantly the whole time.