Mortal Kombat creator Ed Boon has confirmed he will be at the show, and it looks like he will be announcing a new character for X. In a tweet, Boon said:
— Ed Boon (@noobde) November 30, 2015
If 'Who's Next?' wasn't blatant enough, that is the phrase that Boon uses before revealing a character. So get excited for new content in Mortal Kombat X, if that is your kind of thing.