Stan Lee (born Stanley Martin Lieber , December 28, 1922) is an American comic-book writer, editor, film executive producer, and publisher.
 He was formerly editor-in-chief of Marvel Comics, and later its publisher and chairman before leaving the company to become its chairman emeritus, as well as a member of the editorial board.
Stan Lee Meets Superheroes was a limited Marvel Comics series in which comic book writer Stan Lee met one of the characters he has created in each issue.
 The series was written by Stan Lee himself and is used to celebrate his 65th year as a Marvel Comics employee.
 The series is marked for its tongue-in-cheek humor and the comic book characters' general dislike of Stan Lee.
 The series contains five issues in which Stan Lee meets Spider-Man, The Thing, Doctor Doom, Doctor Strange, and the Silver Surfer.
 Each issue also contained reprints of issues from each character's respective comic.
 An issue in which Stan meets Professor Xavier and Magneto was included with the DVD edition of "".
Roy William Thomas, Jr. (born November 22, 1940) is an American comic book writer and editor, who was Stan Lee's first successor as editor-in-chief of Marvel Comics.
 He is possibly best known for introducing the pulp magazine hero Conan the Barbarian to American comics, with a series that added to the storyline of Robert E. Howard's character and helped launch a sword and sorcery trend in comics.
 Thomas is also known for his championing of Golden Age comic-book heroes – particularly the 1940s superhero team the Justice Society of America – and for lengthy writing stints on Marvel's "X-Men" and "The Avengers", and DC Comics' "All-Star Squadron", among other titles.
Just Imagine... is a comic book published by American company DC Comics.
 It was the first work for DC Comics by Stan Lee, co-creator of numerous popular Marvel Comics characters, in which he reimagined several DC superheroes including Superman, Batman, Wonder Woman, Green Lantern, Aquaman, and The Flash.
 As an in-joke, Lee changes several of the civilian names of most famous DC superheroes to alliterative ones in reference to Lee's tendency to use them for his Marvel Comics characters.
"Bullpen Bulletins" (originally titled "Marvel Bullpen Bulletins") was the news and information page that appeared in most regular monthly comic books from Marvel Comics.
 In various incarnations since its inception in 1965 until its demise in 2001, it included items such as previews of upcoming Marvel publications (the "Mighty Marvel Checklist"), news about and profiles of Marvel staff members, occasional references to real-world trends and events, and perhaps most famously, "Stan's Soapbox" (alternately known as "Stan Lee's Soapbox"), a monthly column written by Stan Lee.
Colleen Doran (born July 24, 1964) is an American writer/artist and cartoonist.
 She illustrated hundreds of comics, graphic novels, books and magazines, including the autobiographical graphic novel of Marvel Comics editor and writer Stan Lee entitled "Amazing Fantastic Incredible Stan Lee", which became a "New York Times" bestseller.
 She adapted and did the art for the short story "Troll Bridge" by Neil Gaiman, which also became a "New York Times" bestseller.
 Her books have received Eisner, Harvey, and International Horror Guild Awards.
Enoch Arnold Bennett (27 May 1867 – 27 March 1931) was an English writer.
 He is best known as a novelist, but he also worked in other fields such as the theatre, journalism, propaganda and films.
Marvel Comics: The Untold Story is a 2012 book by Sean Howe, based on the history of Marvel Comics and published by Harper Collins.
 Howe decided to write the book because the stories comic creators told in fanzine interview always seemed different from the official narrative.
 It starts with the comics published during the golden age, the characters created by Stan Lee and Jack Kirby, and then follows with the later decades.
 The information presented draws on over 150 interviews conducted by Howe.
 The books ends the coverage by the time of the creation of the Marvel Cinematic Universe.
 GQ's Joshua Rivera described the book as "one of the most comprehensive and well-researched accounts" of Marvel.
Marvel 2099 is a Marvel Comics imprint, started in 1992, that was originally one possible future of the Marvel Universe, but later revealed in a climax of "Superior Spider-Man Goblin Nation arc" and "Amazing Spider-Man" Vol.
 3 #14 to be the Earth of the prime Marvel continuity in the distant future.
 It was originally announced by Stan Lee in his "Stan's Soapbox" column as a single series entitled "The Marvel World of Tomorrow", which was being developed by Lee and John Byrne.
 This later changed to a line of books under the banner "Marvel 2093" (the date being one hundred years from the year in which the titles launched) before finally being published as "Marvel 2099".
 The three of the initial four titles launched—"Doom 2099", "Punisher 2099", and "Spider-Man 2099"—starred futuristic takes on pre-existing characters.
 The fourth, "Ravage 2099", featured an all-new superhero, scripted for several months by Stan Lee.
 The 2099 line soon expanded to include "2099 Unlimited", "Fantastic Four 2099", "Ghost Rider 2099", "Hulk 2099", "X-Men 2099", and "X-Nation 2099".
 While it has been confirmed to be a possible future version of Earth-616, the mainstream Marvel Universe, the 2099 universe has been officially designated as Earth-928 and alternatively dubbed as Earth-616 circa 2099.
Stan Lee's Mutants, Monsters & Marvels is a 2002 American documentary film produced by Creative Light Entertainment consisting of an interview of Marvel Comics publisher Stan Lee by film director Kevin Smith.
 The two talk about Lee's life, his marriage with Joan Lee, the 2002 "Spider-Man" film, and Spider-Man comics.
 Lee refers to Marvel Comics character J. Jonah Jameson as "the version so many people had of me."
 The interview was filmed in February 2002 in Santa Monica, California at a comic book store.
 The result was a nearly two-hour-long film.
 The documentary was included in a four-disc release of the 2002 "Spider-Man" film.

Question: Who was formerly editor-in-chief of Marvel Comics, Arnold Bennett or Stan Lee ?
Answer: Stan Lee