Nintendo will release rebranded Smash Bros. GC pads with a Switch logo on the box to coincide with the new Smash Bros. game releasing on November 16th.
A new version of the multitap will be available on December 7th, but there’s no confirmation if it will be USB or wireless. My guess is this is just a rebranded version of Wii U adapter with the USB ports.
Super Smash Bros. Ultimate - Nintendo Switch
(61140)New stages and fighters are joined by the combined rosters of every past Super Smash Bros. Game Challenge others anytime, anywhere, whether you're on the couch or on the go Play any way you want—locally, online, in TV mode, Tabletop mode, Handheld mo... read more
(as of July 3, 2022 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
GameCube Controller Super Smash Bros. Ultimate Edition
(2065)Some will always prefer that system's Controller The Nintendo GameCube Controller also could be used in the Super smash Bros; Brawl for the Wii system To honor that devoted loyalty to a classic way to play, this is the Super smash Bros; Ultimate Edit... read more
(as of July 3, 2022 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)