This evening, Funko revealed on their periscope 2 new Game of Thrones exclusive. After the feed ended, I looked around, and found listings for both of these on Australian website IkonCollectibles.com.au.
First is a Translucent version of Melisandra, which will be exclusive to Barnes & Noble.
And secondly, a Glow in the Dark exclusive Night King, exclusive to GameStop.
No set date on these yet, but I would take a guess that it will be around the start of the new season of the show in April.