Prime Video's Reacher franchise, based on Lee Child's eponymous book series and starring Alan Ritchson as the eponymous former U.S. Army military police major, is expanding with the upcoming spin-off series Neagley, starring Maria Sten.The Alan Ritchson-starring series found immense success on the platform with a simple formula: Jack Reacher is a lone wolf who moves from one location to another, leaving a trail of defeated enemies in his wake. However, the franchise is gearing up to shake up this tried-and-tested formula and take a huge risk with the spin-off.The first-look images for Neagley confirmed Alan Ritchson will reprise his character and reunite with the corporate security professional, who first appeared in the flagship series, marking a major deviation from his lifestyle.Unlike the flagship series, based on Reacher's wandering nature, the spin-off series is designed as a conventional espionage thriller with a fixed setting in Chicago.More on this in our story.Alan Ritchson's Jack Reacher will bend his lifestyle choices in Neagley View this post on Instagram Instagram PostFor the first time since his debut in Reacher Season 1 in February 2022, Alan Ritchson's larger-than-life titular character will appear as a sidekick rather than a main character. While it's certainly wholesome to see Jack show up for his ex-Master Sergeant in Neagley, it's a deviation from his normal life, suggesting that Child's protagonist will make major changes in his lifestyle to appear in the spin-off series.Naturally, Prime Video is banking on Reacher's success by having Alan Ritchson as a guest character in the spin-off series. But this move also risks the rules established in Child's novel and the flagship series.The Prime Video series has done an impressive job of bringing Jack's character to life on screen, who leads an extreme, ultra-minimalist life as a nomadic drifter with zero permanent ties. As established in Lee Child's novels and expanded in the series, the former military policeman deliberately chooses a life completely free of possessions, technology, and geographical commitments.While it's fascinating to live with complete freedom and Independence, which makes him all the more appealing to fans, it's hard when we are literally surrounded by technology and luxuries. But with Reacher set to appear in Neagley, likely to help Maria Sten's character during one of her investigations, the Prime Video series risks making him too available and also deviates from his lifestyle choice.It will certainly be interesting to see a new relationship dynamic between Jack and Neagley, but the franchise is taking a bold risk with this diversion.Maria Sten's spin-off series has big shoes to fillA shot of Maria Sten on the sets of Neagley (Image via Instagram/@mariasten)Prime Video's series has also paved the way for the first spin-off novel in Lee Child's series. Titled Zero Margin, the novel is scheduled to release in March 2027 and will follow Frances Neagley, with Jack likely appearing as a side character. This is an interesting development in Lee Child's Jack Reacher universe and hints at a bright future for the spin-off series, but seasoned fans might not like seeing Jack in a small capacity.With the enormous success of Reacher, all eyes are now on the upcoming spin-off, suggesting that Neagley has some big shoes to fill. While Maria Sten has proved her acting prowess in the flagship series and fans have loved Neagley's chemistry with Jack, it remains to be seen whether the upcoming project will satisfy seasoned fans.While each season of the flagship series took its central character to a new location, the spin-off series will follow a more conventional approach, with the eponymous high-level private investigator and security consultant based in Chicago.Reacher Season 4 will debut on Prime Video on August 12, with Neagley set to premiere on the platform on September 16.For the latest scoops on your favorite TV shows and movies, follow SoapCentral.