The last he knew Natasha had stayed at the facility to track down anyone who didn't get dusted while everyone else went their separate ways. He had checked in from time to time to make sure she wasn't forgetting to eat. But he had no idea what she was talking about now.
He hugged her back, of course. Worry took hold of his expression, however. "What? I don't know...ok back up." He didn't mean physically, but he wouldn't stop her from pulling away.