Bucky doesn't exactly have a spare room that he can devote to Tony's research, he lives in a tiny little one bedroom apartment that his pension cheque just covers, so he'll just have to make do with Bucky's bedroom while the rest of them stay in the pokey little living room.

He takes up a position behind Steve at his right shoulder, almost like a bodyguard. Bruce notices that, but he chooses not to say anything, as long as they don't team up against him then he's pleased that they have each other.

The doctor sighs and shakes his head. "I wouldn't want to say, I don't know. Perhaps there would be a way to reverse it, but there's no way of knowing currently. Unfortunately, sometimes changes are permanent."