New trailer showcasing Legendary Pokemon can be battled,Jesse and James revealed :-
Jesse,James and meowth :-
Also according to Serebii Multi-battles will not be making a return in online play.
Game size revealed:-
Serebii Update: Pokémon Let's Go, Pikachu! & Pokémon Let's Go, Eevee! will be preloadable on the Nintendo Switch eShop on October 22nd 2018. Requires 4.6GB of space to download https://t.co/gDbXkHSvkT
— Serebii.net (@SerebiiNet) July 13, 2018