https://www.gamespot.com/articles/new-super-mario-bros-u-deluxe-nintendo-switch-anno/1100-6461762/

New Super Mario Bros. U, originally released for the Wii U, is coming to the Switch as New Super Mario Bros. U Deluxe. During the latest Nintendo Direct, it was confirmed that four people will be able to play together as with the original. A couple of new characters are being made playable for the Switch version, however: Toadette and Nabbit.

Toadette joins the fun with the ability to transform into Peachette and float around stages. In total, New Super Mario Bros. U Deluxe will have a 164 courses to platform through. This version will also include the New Super Luigi U expansion. The game will be available for Nintendo Switch from January 11, 2019.