[Oh shut up. ...Also, are you... smiling at him...? Well, this is turning into the weirdest day ever, thanks.]

I heard from both FullMetal and Mustang that there is an alternate version of Amestris. [Edward mentioned fighting Kimbley... This must be the version he was talking about. Would it have killed him to mention the suit and the smiling like a moron?] I'm not entirely sure how, but it appears that this world is capable of pulling people from just about anywhere.