Tony should have studied. Even his hair was out of place here-- ahead of its time, and not a welcome fashionable foresight. He could draw his coat tight, though, and keep his head down, trying to navigate by unreliable memory. London was a very different place in the future. But the bones of the city were the same, and with only minimal human contact he found his way to a very familiar address.
This was ridiculous. He was going to ring that bell only to be laughed away. That was a character in stories, not real. If Raven really was here, though, she might be able to help herself get her memory back.