Bruce pauses, frowning as he watches Bucky work. Excuse him? Storage? Memory wipes? Who the hell had been fiddling around with the head of an American soldier? What was the point of that?

(Suddenly, Bucky's lack of basic knowledge made a whole lot more sense.)

Intrusive questions dance on the tip of his tongue, but he swallows them. Instead, he just asks, "Who did that?" Voice light and casual, like they're talking about the weather.