HBO is delving even further into the Westeros history books: The network is eyeing a prequel to Game of Thrones focused on the reign of Aegon I Targaryen, with writer Mattson Tomlin (The Batman) slated to pen the series, according to The Hollywood Reporter.
The proposed series — which is only in the very early stages of development at this time — would take place about a century before HBO’s current prequel House of the Dragon (which itself is set 200 years prior to Game of Thrones) and tell the tale of King Aegon I Targaryen, who was the very first to sit on the Iron Throne and establish the Targaryen dynasty. Aegon and his sister wives, Visenya and Rhaenys, used their three dragons to conquer six of Westeros’ seven kingdoms (all except for Dorne).
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Tomlin did uncredited work on the 2022 blockbuster The Batman, starring Robert Pattinson as the titular superhero, before co-writing the upcoming sequel The Batman Part II. He also has two other big-screen projects in the works: BRZRKR, starring Keanu Reeves, and an adaptation of the Mega Man video game franchise. A source describes his take on the Game of Thrones prequel as a “back to basics” approach.
Game of Thrones was such a massive success for HBO — its eight-season run ended in 2019 — that the network began developing a slew of spinoffs and prequels. Only one has made it to air so far, however: House of the Dragon, which debuted in August 2022 and earned stellar ratings on its way to a swift Season 2 renewal, with a return slated for this summer. Last April, HBO gave the greenlight to prequel A Knight of the Seven Kingdoms: The Hedge Knight, centered around book author George R.R. Martin’s Dunk and Egg novellas.
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