Gametrailers has revealed the all new exclusive trailer for Punch-Out!! Wii, featuring the rumoured multiplayer mode in action. Also seen is Giga Mac, who will be a power-up in multiplayer mode.
Punch-Out!! Multiplayer Trailer:
Multiplayer appears to work rather nicely from what I can see in the clip, unfortunately no online multiplayer(though I doubt it would have really worked) will be in the game.