Mark Millar is the New York Times best-selling writer of Wanted, the Kick-Ass series, The Secret Service, Jupiter's Legacy, Nemesis, Superior, Supercrooks, American Jesus, MPH and Starlight. Wanted, Kick-Ass, Kick-Ass 2 and The Secret Service (as Kingsman: The Secret Service) have been adapted into feature films. His DC Comics work includes the seminal Superman: Red Son. At Marvel Comics, he has written The Ultimates, selected by Time magazine as the comic book of the decade; the acclaimed Wolverine saga "Old Man Logan;" and Civil War, the industry's biggest-selling series in almost two decades. Millar has served as producer and executive producer on previous adaptations of his works and, following the purchase of his Millarworld comic line by Netflix in 2017, remains the company's president. For his services to film and literature, he received the prestigious honor of being made a Member of the Order of the British Empire (MBE) by the Queen in 2013.

One of comics' premier artists, Bryan Hitch found fame with his dynamic, detailed artwork on The Authority and JLA. His other credits include Marvel's Sensational She-Hulk and X-Men; Marvel UK's Action Force, Doctor Who, Mys-Tech Wars and Death's Head; DC's Superman; and Image's Stormwatch. Hitch's collaboration with writer Mark Millar on The Ultimates, Ultimates 2 and Fantastic Four established him as a comics mega-star. He continued to burnish his reputation on books including Captain America: Reborn, Age of Ultron and Venom. Hitch has provided character designs for the Ultimate Avengers and Ultimate Avengers 2 animated films, and the video game Incredible Hulk: Ultimate Destruction.