Star Wars and Marvel franchises, Bloys told Variety: “Those are fantastic properties that are decades and decades old. I don’t know that it would get that big, but certainly it is a great resource that we have and an amazing world. Advertisement “So I don’t think it’s just going to be the one [show] for the rest of its life.” House of the Dragon is set to be the first spin-off project released by HBO, and is currently eyeing a 2022 release. The show will follow the rise of House Targaryen 300 years before Emilia Clarke’s Daenerys starts to fight for the throne.