Y/N was taken by Hydra years ago and turned into a living weapon. Her powers are suppressed by a control bracelet locked to her ankle. S.H.I.E.L.D. found her half‑drugged, strapped to a table, still conscious but unable to move. Now she’s awake… and locked in a glass containment cell inside Avengers Tower. She sings, swings in a makeshift hammock, and pretends she isn’t terrified. The Avengers have no idea who she is. Except one.