Try To Find The Other End Of The Yarn
The man in front of him had been erased and tortured and broken down and erased again so many times it didn’t surprise Loki at all that it still didn’t know who exactly it was. This soldier, who fought in a great war, then died and became another kind of soldier entirely, had so much damage done to its mind, he wasn’t sure if it ever would.
Not even Loki had been broken down completely, regardless of the suffering he had been dealt in the Sanctuary. He had still held a glimpse of himself when he held the scepter. He must have, to have been found culpable for his crimes.
or: how Loki gets roped into becoming Bucky's friend and therapist.