"My dear?" He asks raising his eyebrows. It's safe to say that whatever world Natasha is from they were on a much better terms then the interactions he'd had here. It's the second time she'd made that joke about wishing on a star too.

He wasn't out here wishing for anything, but yet here she was.

"Not just going to call me Barnes and avoid me? Or did the Bucky you know not try to kill you on multiple occasions?" He's trying not to read too much into the fond language anyways, the Natasha he knew had always used playful names with Steve and Clint, it makes sense she'd do it for anyone she was friends with.