Knowing that there was no possible way he could know of her own demise meant that Natasha had a lot she was keeping to herself at the moment, as well; but she'd already had that conversation a couple of times and she was fully aware there wouldn't be a way she could avoid it in this particular situation. Nat closed her eyes for a moment and just let herself enjoy the moment, smiling a little herself.
"I've missed you, too." The Natasha from 11 years ago might not have admitted such a thing out loud, but she'd come a long way since the day he'd called her to tell her that Barton had been compromised, and she'd helped bring the Avengers together.
Letting him go herself, she eased back and rested against the counter with one hip as sharp green eyes studied his face. "Here or back in our dimension?" Because the distinction there mattered.