It’s also unrealistic to think that Daenerys doesn’t have that large of a role to play in this week’s events, since this grand meeting for an armistice was orchestrated by her Hand Tyrion.
Make no mistake, Dany definitely is involved in this week’s mega-finale, and there’s likely a good reason she isn’t present for the big meeting, or elsewhere in the first looks.
Tthere’s merit to anyone thinking there isn’t significant rhyme or reason that Game of Thrones is leaving Dany out of the finale’s promotional materials, although one would think if it’s just a coincidence.
If it was an accident, someone at HBO would’ve pointed out the trailer is missing one of the show’s principal characters in order to get it fixed.