Fans who register both the 3DS and Wii U versions of Super Smash Bros on Club Nintendo will be rewarded with the title's soundtrack.
Super Smash Bros for Nintendo 3DS and Wii U Premium Sound Selection packages together songs taken from – or inspired by – songs from the games.
Whether this is to be physical product or just a digital download is yet to be revealed. Nintendo promises more details to come at a later date.
In addition to this, it was revealed that Shulk from the Xenoblade Chronicles series will be a playable character in both versions of Super Smash Bros. This was announced in today's Nintendo Direct.
Super Smash Bros on 3DS launches on October 3rd, while the Wii U version still holds a winter 2014 release date.