For those of you who are attending Gamescom in Germany from August 5th to August 9th, several new Serial Code events have been announced. At Gamescom, you will receive a code card that gives you access to 2 Pokémon for your Pokémon Omega Ruby & Alpha Sapphire games. These Pokémon are selected by Game Freak Battle Director Shigeki Morimoto, competitive ready and are the following
Aromatisse with Trick Room,Heal Pulse, Disable and Moonblast while holding the Babiri Berry and the ability Aroma Veil
Malamar with Superpower, Knock Off, Facade and a move listed that translates to Rock Slide but isn't the official name, the item Assault Vest and the ability Contrary
Sableye with the moves Calm Mind, Will-O-Wisp, Recover & Shadow Ball with the item Sablenite and the ability Prankster
Bouffalant with the moves Head Charge, Facade, Earthquake and a move listed that translates to Rock Slide but isn't the official name, the Choice Band item and the ability Soundproof.
Source: http://www.pokemon.com/de/pokemon-news/pokemon-ist-wieder-auf-der-gamescom-dabei/