The official Japanese Disney website has confirmed that Kingdom Hearts will be making an appearance at D23 Expo Japan 2018, held from February 10th, 2018 to February 12th, 2018. The listing confirms Kingdom Hearts, calling it the "Kingdom Hearts Fan Event," which is currently just a tentative title.
Kingdom Hearts had made an appearance at D23 Expo Japan in 2015, showing off a new Kingdom Hearts III trailer and Kingdom Hearts HD 2.8 Final Chapter Prologue. This event was called the Kingdom Hearts Premium Theater.
UPDATE [Nov. 18, 2017]: The official D23 Expo Japan website has revealed the Kingdom Hearts Fan Event's date and time at D23 Expo Japan 2018. It's a part of the Disney Magical Theater program on Saturday, February 10th, 2018. It's planned to be from 4:00 PM - 5:20 PM JST, which is 11:00 PM - 12:20 AM PST, 1:00 AM - 2:20 AM CST, and 2:00 AM - 3:20 AM EST. Find out more in the full article here.
What do you expect out of the Kingdom Hearts appearance at D23 Expo Japan 2018? Let us know in the comments below!