Sam recognized Pepper before she introduced herself, though it took him a moment because he never saw her pregnant before. "Uh, yeah, I know," he said, walking over and holding out his hand. "Call me Sam. Please."
Seeing Tony Stark's girl didn't answer any of the many questions running through his mind at the moment, especially since he was fairly certain it would have hit the news if they were expecting a baby.
"Can you tell me how I got here?" he asked. That seemed like the more important question, at least to start.