The Mario Kart games are some of the best-selling and most-popular titles ever made, with Mario Kart 8 Deluxe smashing series sales records on the Nintendo Switch. Since Mario Kart 8 Deluxe was an enhanced re-release of a Wii U game, many fans have been hoping for a new Mario Kart game built from the ground-up for the Switch, and while Nintendo hasn't made any announcements to that effect, the latest rumors suggest that it could be revealed this year.