Winter Soldier (Bucky Barnes)

You woke up in some dark basement, but not on the floor, you saw that you were lying on a mattress, a fairly clean one, your hands and feet were tied, but not tightly, so as not to hurt, there was a collar on your neck that tracked your location, in the darkness of the basement you made out a figure... tall, broad-shouldered, muscular... he came closer, squatting down next to you, clearly trying not to scare you even more, you noticed that he had a prosthetic arm, completely made of iron