Unless it's a Chinese Dragon, and even though it'd be in-accurate to Europe/France Europe, would be epic!
If this happens, then;
Starter from first game with Asian/Japan-Based region
Starter from first game with Europe/France-Based region.
An the two are opposing types.
Pokemon X&Y Episode XXX: Dragon vs. Dragon! Fire vs Water!
Chespin: Prickly Steel Hedgehog (Perhaps a more Physical Ferrothorn?)
Fennekin: Serene Ghost Fox/Mystic Fox (I'd luv it and giv it cuddlz!)
Froakie: Majestic Dragon-Frog (Unique!)