Meredith Averill to lead Prime Video's planned Fourth Wing adaptation

Meredith Averill, a television writer and producer known for her work on Locke Key and the second season of Wednesday, has been tapped to lead Amazon Prime Video's planned adaptation of Rebecca Yarros's bestselling romantasy novel Fourth Wing, media reports said. The hiring, announced this week, restores momentum to a project that has been in development since late 2023 but has not yet been ordered to series and has no cast attached.

Averill is stepping in after showrunner Moira Walley-Beckett departed the project this summer. Reports differ on the timing of Walley-Beckett's exit, with some accounts saying she left in June and others placing her departure in July; she had been attached roughly a year after the adaptation was first announced. A spokesperson for Amazon declined to comment, and some outlets described Averill's status as finalized while others said she was in final negotiations.

The prospective series is based on Yarros's Empyrean saga, which began with Fourth Wing in May 2023 and was followed by Iron Flame in November 2023 and Onyx Storm in January 2025. The first three books have sold millions of copies; according to The New York Times, those editions have...