Mega evolution is coming back

FInally everyone. after a few years we finally get mega evolution on the switch yay! i know this will be a big wait but it will be worth it I already wanna pre order the game because the trailer looks epic and I hope it is like not laggy like sv was because it was very bad lag and I also hope the story line will be great to and I hope the starters choices are good to. What you guys think the starters will be will it be new or will it be old?