User blog comment:Scorpion Tank 123/Smash/@comment-24858759-20140920212454/@comment-5113337-20140921051758

Four4, and that's where the rumor comes in. The rumor about more unlockable characters like Mewtwo,ridley and dixie etc. so it could be possible that once you connect your 3DS to the wii u version of the game both games give you that.