A couple of days ago, we reported on Nintendo announcing that Bayonetta would be made available to play on Super Smash Bros. for the 3DS and Wii U on February 3rd. Following that Bayonetta announcement, Nintendo also revealed that the Tails and Knuckles Mii costumes would be also made available on February 3rd.
European gamers will be getting the Mii costumes on February 4th. An exact time for the release of these costumes is not yet known. Stay tuned to SEGA Nerds for more info.
Via Sonic Stadium