Mario Kart Ultimate

Mario Kart Ultimate is an upcoming video game for the Nintendo Switch. It mashes all 8 Mario Kart games into one.

Characters
Mario Kart Ultimate includes all characters from Mario Kart 8 Deluxe, but also has some newcomers and returning characters..

New Characters
Nabbit

Boom Boom

Pom Pom

Toadsworth

Magikoopa (Kamek for PAL players)

Returning Characters
Dry Bones

Funky Kong

Modes
The Oldies: Contains all tracks from Super Mario Kart, Mario Kart 64 and Mario Kart: Super Circuit

Kinda New: Contains all tracks from Mario Kart: Double DashII and Mario Kart DS

Totally New: Contains all tracks from Mario Kart Wii, Mario Kart 7 and Mario Kart 8. (Deluxe is just a remake, but the new features in Deluxe are included too.)

Classes
The classes are:

50cc: All games

100cc: All games

150cc: All games

200cc: Mario Kart 8 (and Mario Kart Wii with DLC)

Collections
Collections contain a bunch of tracks with a certain theme. The regular collections all have 4 tracks, just like cups.

The Best of the Classics: SNES Bowser Castle 3, N64 Yoshi Valley, N64 Rainbow Road and GBA Sky Garden

The Newer Gems: Wii Coconut Mall, 3DS Music Park (3DS Melody Motorway for PAL players), Wii U Sunshine Airport and Wii U Mount Wario

DLC Favorites: Mute City, GCN Baby Park, GBA Ribbon Road, and Big Blue

Special Collections
Special Collections are unlocked after some requirements are met. The most they can have is 8 tracks.

Wario and Waluigi: Partners in Crime: N64 Wario Stadium, GCN Wario Colosseum, GCN Waluigi Stadium, DS Waluigi Pinball, Wii Wario's Gold Mine, 3DS Wario Shipyard, and Wii U Mount Wario

Wario and Waluigi: Partners in Crime is unlocked by beating four 150cc cups in any game with Wario AND Waluigi.

An Icy Blast: N64 Frappe Snowland, GBA Snow Land, GCN Sherbet Land, DS DK Pass, Wii DK Summit, 3DS Rosalina's Ice World

An Icy Blast is unlocked by beating all 200cc courses in Mario Kart 8 with Rosalina.

Bowser's Blast: All Bowser Castles except the retro ones and the SNES and GBA Bowser Castles.

Bowser's Blast is unlocked by beating all 200cc courses in Mario Kart 8 with Bowser AND Bowser Jr.

Rainbow Ride: All rainbow roads from all 8 games, excluding the retro ones.

Rainbow Ride is unlocked by beating all Rainbow Road courses included in the collection at 200cc.

DLC
A DLC is planned with no information as of now.