"Someone who looked exactly like her - we believe that it was her doppelgänger - attacked her. Quite likely with the intent of killing her. I came across them and tried to help, and she then tried to kill both of us, but we could defend ourselves. Not more, though, she got away and we'll have to be more careful now, I guess."

It's not the entire story of what bothers him, he remembered something about his former self that really freaked him out, but... He's not sure how to tell that Tony of all people.