Probably on February. They'll talk about near future games like TPHD and Pokkén and maybe announce 1 or 2 minor filler games to fill the gaps.
They'll totally wait till E3 to show Zelda and NX.
Bet with Teeqoz for 2 weeks of avatar and sig control that Super Mario Odyssey would ship more than 7m on its first 2 months. The game shipped 9.07m, so I won