Japan April 10, 2008
Europe April 11, 2008
Australia April 24, 2008
America April 27, 2008
And here is the video with the most info.
http://youtube.com/watch?v=R4oquHWBpLY
More information from the Mario Kart Wii Information Thread from MarioKart forums.
Characters:
Mario
Luigi
Peach
Yoshi
Wario
Waluigi
Donkey Kong
Bowser
Baby Mario
Baby Peach
Toad
Koopa Troopa
Unlockables:
Spoiler
Daisy
Baby Luigi
Diddy Kong
Toadette
King Boo
Baby Luigi
Diddy Kong
Toadette
King Boo
Miis are also confirmed to be playable.
Tracks:
Nitro:
Mushroom Cup:
Luigi Circuit
Moo Moo Meadows
Mushroom Gorge
Toad's Factory
Flower Cup:
Mario Circuit
Coconut Mall
DK Summit
Wario's Gold Mine
Star Cup:
Daisy Pier
Koopa Cape
Vermillion Woods
Thundering Volcano
Special Cup:
Yoshi's Desert
Moonview Highway
Bowser's Castle
Rainbow Road
Retro
Shell Cup:
Peach Beach(MKDD)
Yoshi Falls(MKDS)
Ghost Valley 2(SMK)
Mario Raceway(MK64)
Banana Cup:
Sherbert Island(MK64)
Shy Guy Beach(MKSC)
Delfino Square(MKDS)
Waluigi Stadium(MKDD)
Leaf Cup:
Mario Circuit(MKDD)
Desert Hills(MKDS)
DK's Jungle Parkway(N64)
Bowser Castle 3(SMK)
Lightning Cup:
Bowser's Castle(N64)
DK Mountain(MKDD)
Peach Gardens(MKDS)
Mario Circuit 3(SMK)
Items:
Mushroom
Triple Mushrooms
Golden Mushroom
Banana
Triple Bananas
Green Shell
Triple Green Shells
Red Shell
Triple Red Shells
Blue Flying Shell
Fake Item Box
Star
Lightning
Bob-omb
Blooper
Bullet Bill
Mega Mushroom (NEW)
Thunder Cloud (NEW)
POW Block (NEW)
Modes:
Grand Prix
Versus
Time Trial
Mirror Mode
Mission Mode
12-Player Online and Local Racing
Online and Local Battle Mode featuring Balloon Battle and Coin Runner
Battle Mode Tracks:
Nitro:
Block Plaza
Delfino Pier
Funky Stadium
Chain Chomp Wheel
Thwomp Desert
Retro:
Battle Course 4
Battle Course 3
Skyscraper
Cookie Land
Twilight House
There you have it folks! Not a bad deal huh? I'm personally looking forward to 12 people trying to somehow manage getting around the Skyscraper battle course without falling to thier doom