"Hello, um... no, don't be afraid. I mean no harm." The youth immediately spread his hands and held them up in front of himself. "My name is Peter Parker. I'm a researcher at Livermore National Laboratory. I work nearby!"
Peter pointed at himself, then spread his arms again to show that he absolutely meant no harm. Aisha found the name somewhat familiar, and suddenly wore an expression of realization.
Bruce turned to look at Aisha. He trusted her judgment greatly by now. Though he did not know why, Aisha's father seemed to have passed his extraordinary intelligence and precise judgment down to the little girl. In any case, she was surely far better than him at this. Trusting her could not be wrong.
Aisha looked at Bruce and nodded. Bruce knew then that Peter Parker was not lying. He looked around and saw no sign that the thick fog was about to disperse, so he stepped forward, shook Peter's hand, and said, "Bruce Wayne. Are you lost too?"
Peter's eyes widened in disbelief. He stared blankly at Bruce and said, "Did you say you're Bruce Wayne? Did I hear that right? You're Batman?!"
Now it was Bruce's turn to freeze. He blinked and said, "You're from the same universe as me? You're from Gotham too?"
"No, of course not. But I read Gotham Travelogue. Oh, it was a diary written by a Spider-Man who traveled to your universe. It mentioned you. Batman, you're a great hero."
Bruce took about two minutes to process the amount of information in that sentence. In other words, this guy called Peter Parker knew someone who had once visited Gotham. Of course, it might not have been his Gotham, but Gotham from another universe.
Then that person had traveled around over there and recorded what