Mewtwo is on it's way, and Bowser Jr. is bringing along a few friends.
Both Bowser Jr. and Mewtwo will be playable characters in Smash Bros. for Wii U.
Bowser Jr, along with koopalings Wendy, Roy, Iggy, Lemmy, Larry, Ludwig and Morton will all be playable characters in Smash Bros. for Wii U, as they are in Smash Bros. 3DS. Mewtwo will not be part of the game on release day but instead is scheduled for release around spring 2015 for both games. He will be a free character for those who purchase both the 3DS and Wii U version of Smash Bros.