Is this Mario Kart 8's first DLC? Birdo, Diddy + real battle mode?

[TheDarkBender]

I would love it if Nintendo put more characters and more modes in the game as dlc, but unfortunately the pics are fake.
The last pic is taken from this video, as you can see it's the same tv and such, and this video is from last years e3...
https://www.youtube.com/watch?v=HVkjQ8WAtsQ