[quote=@Scarifar]
Well, he [i]is[/i] a spy. Plus, his hometown is France, and he's been to New Zealand and Australia, among other places. It's almost kind of his job to world jump.
[/quote]

It's his job to infiltrate various countries I would assume based either on a paycheck or the will of the government. Going from "I know when I'm outside my home country" to "I am clearly in another reality" seems like a massive leap.

I don't know much about TF2 but separate maps don't count as alternate worlds for our purposes unless they are literally on a different planet or another dimensional axis.