The servers for multiplayer are not live at the time of this review, so I've yet to test this mode out, but it's pretty clear how something like this would work, since foreign powers in singleplayer mode work in the same way. (gamingtrend.com)
The developer interview with the games director already proved you wrong... We only have seen the birds eye view of the game ala 3D Land style cameras... The director confirmed you can switch it up to classic 3D Mario camera style, which instead of this zoomed up static camera, it zooms into the action on singleplayer mode. (nintendotoday.com)
The game features singleplayer modes (including career mode and single races), online multiplayer and local multiplayer. (gamepressure.com)