[He laughs, nodding to show she did it exactly right.]
That was a good salute, ma'am, you got some hidden talent. [He listens to her introduction, but perhaps unlike most of the others who are close to Arthur and Merlin and have heard of Morgana, Bucky is no such person, so his expression doesn't change, aside from the recognition that the name "Camelot" gets from him.]
So, you're from the same place as Arthur'n Merlin, then? You know the two of 'em?