Probably. If they do, they might even be your in-game introduction to Mega Evos (barring the Torchic event).
That's what I've been saying for days. A perfect way for Korrina to introduce you to Mega Evolution in game is by having her give you your starter's mega stone. --- PKMN Black 2 FC: 4084-3329-2441 PSN name: Cenedar. Let it be known that I am a proud Green Lantern user.