Meekuru (Grass) Gogoat's Pre-Evolution and has Sap Sipper. Meekuru Horns are like the letter Y.
Horubii (Normal) The Digging Pokemon Abilities: Pickup/Cheek Pouches. Horubbii is shaping a Y.
Dedenne (Electric/Fairy) The Antenna Pokemon Abilities: Pickup/Cheek Pouches. It's wishkers looks like an X.
MegaBlaziken has Speed Boost. MegaBlaziken also has an X on it's body.
MegaLucario has Adaptability. MegaLucario also has a Y on it's body.
MegaAbsol has Magic Bounce. MegaAbsol's body shaped like a Y.
Awakened Mewtwo is now MegaMewtwo. MegaMewtwo has Insomnia.
Mawile is now Steel/Fairy.
MegaMawile has Huge Power. With the two Jaw-like Horns MegaMawile is shaping a Y.
MegaAmpharos has Mold Breaker and is Electric/Dragon.
Mega Stone makes Mega Pokemon.
A new item called Blaziken Knight.
Super Training has been comfirmed.
A new character is shown called Korrina. She is a Gym Leader and holds the key to understanding Mega Evolutions.
Kangakhan gets a MegaEvolution.