I want it to be true just because Kotaku made an article laughing about what an unconvincing leak it was.
Pretty sure it's fake though, it does look convincing yes but if you look at what's missing rather that what's there it's pretty clear it's fake. There's no way that Sony would go without TLoU PS4 at E3. There's also no way that the Pokémon fighter is really called just "Pokkén Fighters", it would have to have Pokémon in the name.