Let's brainstorm here.

Mewtwo got a mega evolution, While this might be because it was engineered to be superior, it's very likely that Mew has one too. Mewtwo got a mega evolution. That means legendaries get mega evolutions.

Charizard, Venusaur and Blastoise got mega evolutions. Blaziken also got one. Well, Charizard got two, which might mean Blaziken gets another one. Unless Sceptile gets it. Sap Sipper Swampert

Any drawfags want to do some quick schematics on future mega evolutions? What dual types will they be? Let's circlejerk and dream.

>mega Arceus
>For all forms