"Oh." He blinks at that, looking surprised, because this seems like something serious and he hadn't exactly announced that he was back. Hell, he hadn't even announced that he was going away. He wasn't sure what he could even do like this, although he'd push himself if necessary.

"Uh, sure, of course." He steps aside to let her inside. The apartment at least is as neat as ever and he closes the door behind them both. "What did you need? Is it about Tony's thing?" The project he's been working on with Jane Foster.