Original Starters in 'Pokemon X' & 'Y'; Gain Mega Evolutions

Charmander, Bulbasaur, and Squirtle will all be making their return in
Charmander, Bulbasaur, and Squirtle will all be making their return in 'Pokemon X' and 'Y' as additional starter Pokemon, and each monster will also receive a Mega Evolution for its final form.

How to Mega Evolve a Pokémon in Pokémon X and Y: 5 Steps

Who are the starter Pokemon in X and Y? - Quora

Pokémon X and Y (Video Game) - TV Tropes

Pokémon Mega Evolution will be in Pokémon: Let's Go! — devonclements on Scorum

Original Starters in 'Pokemon X' & 'Y'; Gain Mega Evolutions

Pokémon X and Y: Best Teams, How to Level Up, Mega Evolutions

How to Mega Evolve a Pokémon in Pokémon X and Y: 5 Steps

Mega Evolution - Bulbapedia, the community-driven Pokémon encyclopedia

Why Did The Kalos Region Starters Not Get Mega Evolutions?

How to obtain Mega Stones - Quest Walkthroughs - Pokemon Revolution Online

Pokemon X/Y Starter Evolutions, Customization Revealed - IGN

Pokémon X Preview - Original Starters Get Mega Evolutions In X & Y Trailer - Game Informer

Pokemon X,' 'Y' take series in a new direction