It's almost that time again, so far what we know (* = Rumour).
SMO
XBC2
Arms
Splatoon 2
Mario x Rabbids
FE Warriors
Monster Hunter XX (possible western released announced maybe)
BOTW Alternate Story DLC
DQXI
Skyrim
Pokemon Stars*
Fire Emblem Switch (unlikely but maybe a trailer or teaser)
GC on VC*
Metroid title*
Hopeful:
Dark Souls Collection*
Another PG Collaboration*