Kingsman: The Secret Service, the film, is directed by Vaughn from a script that he co-wrote with Jane Goldman, starring Colin Firth and Taron Egerton.

The films were released by 20th Century Studios, while The Red Diamond and Big Game were published by Image Comics.

1 are referenced in Kick Ass: The Dave Lizewski Years Book Four,[3] culminating in the 2023 series Big Game, featuring Gary "Eggsy" Unwin aiming to prevent Mindy McCready / Hit-Girl (from Hit-Girl & Kick-Ass) from being assassinated by the Fraternity, led by Wesley Gibson (from Wanted).

Having dropped out of training for the Royal Marines, becoming a stereotypical chav and being arrested for stealing a car, Gary "Eggsy" Unwin's release is arranged by Harry Hart, a Kingsman and his late father's colleague.

Hart, a veteran spy of the secret organisation Kingsman, recruits Eggsy into the agency's competitive training programme as a global threat emerges from a billionaire, Richmond Valentine.

[4] The concept of an adaptation of The Secret Service originated when Millar and Vaughn were at a bar discussing spy movies, lamenting that the genre had become too serious and deciding to do "a fun one.

"[5] To have the time to make the film, Vaughn had to opt out of directing X-Men: Days of Future Past, which he called "a really tough decision".

"[9] Jackson's character has a notable lisp, a choice he decided to make based partially on the stutter he had as a kid.

[9] In September 2013, Vaughn cast Sophie Cookson as the female lead, preferring a newcomer over more obvious candidates like Emma Watson and Bella Heathcote.

[14] The Alexandra Road Estate in Camden[15] was used for Eggsy's home area, and some scenes were filmed at Imperial College London.

[24] In September 2015, Millar reiterated that the sequel was in development and that Vaughn was looking for ways to bring Firth back without sacrificing the story's integrity.

Kingsman: The Golden Circle was originally scheduled for release on 16 June 2017, by 20th Century Fox, but was pushed back to 6 October.

[43] In November 2018, it was revealed that Daniel Brühl, Charles Dance, Rhys Ifans, and Matthew Goode would co-star in the film.

The film was originally slated for a November 2019 release but was delayed eight times due to production issues and the impact of the COVID-19 pandemic.

[46][47] On 2 February 2024, Argylle, starring Bryce Dallas Howard, Henry Cavill, John Cena, Sam Rockwell, Samuel L. Jackson, and Bryan Cranston, was released.

The first film – Kingsman: The Secret Service originated when Mark Millar and Matthew Vaughn were at a bar discussing spy movies, lamenting that the genre had become too serious over the years and deciding to do "a fun one".

[5] To have the time to make the film, Vaughn had to opt out of directing X-Men: Days of Future Past, which he called "a really tough decision".

[9] In September 2013, Vaughn cast Sophie Cookson for the female lead, preferring a newcomer over more obvious candidates like Emma Watson and Bella Heathcote.

The plot follows Eggsy and Merlin joining forces with "Statesman", their American counterpart after Kingsman was destroyed by the film's villain Poppy, played by Moore.

[60] On 7 April 2016, Egerton revealed the first poster for the film, which strongly hinted that Firth would return for the film; the poster features Harry Hart's trademark pair of glasses with one of the lenses missing below the tagline (a borrowed quote from Mark Twain) stating "reports of my death have been greatly exaggerated".

[71][72] Matthew Vaughn stated that if a sequel were to be developed he would like to see the story about the first decade of the Kingsman agency with all characters that audience see at the end.

In December 2017, Vaughn provided insight into his plans for the untitled film, confirming there would be one massive new addition to the cast, though he has not decided who would play the role yet.

[78] Vaughn revealed that a spin-off film of Kingsman: The Golden Circle, revolving around the Statesman, an American secret agent organization, was in early development.

[101] The Golden Circle is free-to-play, offers in-app purchases, and supports online player-versus-player multiplayer, while The Secret Service is sold as a paid game.

[105][106] On 8 September 2017, Mr Porter opened its first Kingsman shop between Berry Bros. & Rudd and Lock & Co. Hatters on St James's Street in Central London.

Director Vaughn cited GlenDronach as his favourite scotch whisky brand, and the distillery used casks from 1991, as it is the fictional year of Eggsy's birth.

[115] The first connection was officially shown during the mid-credits sequence in Argylle, its revealed that the titular spy had affiliations with the Kingsman during his younger years.

[117] In May 2017, Vaughn stated that a sequel to The Golden Circle was currently in development, adding that he and co-writer Goldman mapped out the plot during production on the second film.

[126] In June 2018, upon announcing his new film studio, Vaughn revealed that an eight-episode Kingsman television series was in early development.

[40] Initially announced as a spin-off film in September 2017,[79] a television series centred around the franchise's American secret agent organization named the Statesman is in development.