HBO bets big on this small-screen extension of Denis Villeneuve's 'Dune'-iverse being their next 'Game of Thrones' ...

The popular 'R+L=J' theory was confirmed in 'Game of Thrones'. Fans are now curious about Jon's future in the upcoming novels. Martin's books may offer a more detailed exploration of Jon's lineage.

Look, I know in my fantasy dork heart that, should the "Game of Thrones" movie happen, I'll be seated at my local movie ...