Nintendo says they have at least 1 unannounced game that'll make fans go crazy & 1 heavily online focused game for FY 2019

[jonathanalis]

Zelda botw sequel/prequel, where you play as champions (old or new gen, or even new ones), like you change the playing character on majoras mask.
But this time, you can explore the world online, a few players per world, each controlling one champion.