The Reacher universe is getting even bigger, and it's not just because of the towering hero himself. Prime Video's Comic-Con panel brought a double dose of news: a first look at the Neagley spin-off series and the announcement that Frances Neagley is finally getting her own novel. Author Lee Child is teaming up with Yasmin Angoe for Zero Margin, the first standalone book centered on Reacher's most trusted ally, set for release in March 2027.

Maria Sten, who has played Neagley since Season 1, surprised the Comic-Con audience with the news. The character, originally a minor figure in Child's novels, was expanded for television to help with exposition—since Reacher often works alone in his head, which doesn't translate well to screen. That creative gamble paid off: Neagley became a fan favorite, appearing in all three seasons and now earning her own series and a dedicated novel.

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What Is the Neagley Spin-Off About?

The Neagley series, premiering September 16 on Prime Video, follows the character as a private investigator in Chicago. After a close friend is killed under suspicious circumstances, she launches a dangerous investigation that showcases her more methodical, Swiss-army-knife approach compared to Reacher's blunt-force tactics. The teaser trailer highlights both the similarities and differences between the two shows.

The cast includes Greyston Holt (The Night Agent), Adeline Rudolph (Hellboy: The Crooked Man), Jasper Jones (King Ivory), Matthew Del Negro (Mayor of Kingstown), Damon Herriman (Justified), Cassandra Freeman (Bel-Air), and Marshall Cook (All American). For a deeper dive into the show's first look, check out our Neagley trailer breakdown.

Reacher Season 5 Based on 'Make Me'

The panel also confirmed that Reacher Season 5 will adapt Make Me, the 20th novel in Lee Child's series. Alan Ritchson, who plays the titular character, shared the news as production continues on Season 4. It's a busy time for the actor, who's juggling multiple seasons simultaneously. For more details on the upcoming season, read our report on Reacher Season 5's plot reveal.

With a novel, a spin-off series, and multiple seasons in the works, the Reacher universe shows no signs of slowing down. Fans can catch all episodes of Neagley starting September 16 on Prime Video, while Zero Margin hits shelves in 2027.