>>14460061http://www.nowgamer.com/news/2041716/pokemon_x_y_trademarks_leak_all_mega_evolutions.html"Charizard, Blastoise, Gengar, Kangaskhan, Pinsir, Jynx, Gyarados, Aerodactyl, Mewtwo, Ampharos, Scizor, Houndoom, Tyranitar, Heracross, Gardevoir, Absol, Medicham, Banette, Latias, Latios, Aggron, Abomasnow"
That trademark rumor has started to come true, so I'm assuming the rest of the Pokemon on that list are getting Megas as well. And if Houndoom has one and its Y counterpart is Manectric, I'm counting on a Mega Manectric as well. Probably all of the exclusives.