[Private]
Well if you have your doubts it will help give you a refresher course at least.
You will not be likely to cross paths with anyone you know if you were in Asia or Europe, travel was quite primitive. You will still be who you are right now, you will not trade places with who you were back then, and you may not even have time to even come close to running into yourself if you were to try.
Frigga... Freya is... we don't talk about her. The New York door is not to your world so you wouldn't be affected by the events of that time.