Nintendo Co. in Oct. released the Monsters of the Court for Mario Tennis: Ultra Smash for the Wii U.
The trailer previews villains in the title including Bowser and Bowser Jr.
The title will include franchise characters including Mario, Luigi, Princess Peach, Bowser and Toad in enhanced power-up tennis matches.
The final game will include online multiplayer functionality and allow users to play with amiibo figures in online and offline doubles matches.
It will be sold Nov. 20.