Strange looks a little confused for a moment. Four-eyes? However, context clues mean that he's able to figure out glasses + someone from her world = Yukio Okumura. He'll make a mental note to bother the shit out of poor Yukio when the time comes.

"I'll keep that in mind. Of course, if you have any questions about myself and my world, please feel free to ask."

At least he realizes that he's just been hammering Shura with a barrage of questions.