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.

Why don't all starter Pokemon have mega evolutions? - Quora

Starter Pokemon - Pokemon X and Y Guide - IGN

Top 10 most powerful Pokemon Mega Evolutions of all time

Psypoke - Pokemon Direct Shows New Storage System, Kanto Starter Mega Evolutions and a New Pokemon

Pokemon X and Y Guide: Best Starters, Strategies, What to Do, Where to Go

User blog:PrinceoftheFireKingdom/Pokemon X and Y, Adventure Time Wiki

Pokémon X and Y - Kanto Starters Mega Evolution Trailer

Pokemon X and Pokemon Y - Kanto Starters Mega Evolution

Is Mega Charizard X or Y better in Pokemon GO?

Best Mega Evolutions in Pokemon Go: Mega Gengar, Mega Gyarados & more - Dexerto

10 Pokémon Who Undergo Type Changes With Mega Evolution

Pokemon X and Y tips: Picking starters, versions and the right monsters for you - Polygon

Pokemon Let's Go, Mega Charizard X - Stats, Moves, Evolution & Locations