Question: D'spraye and Doctor Strange are both fictional characters in what comic series?
Context: 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 "". Doctor Stephen Vincent Strange, M.D., is a fictional superhero appearing in American comic books published by Marvel Comics.  Created by artist Steve Ditko and writer Stan Lee, the character first appeared in "Strange Tales" #110 (cover-dated July 1963).  Doctor Strange serves as the Sorcerer Supreme, the primary protector of Earth against magical and mystical threats.  Inspired by stories of black magic and "Chandu the Magician", Strange was created during the Silver Age of Comic Books to bring a different kind of character and themes of mysticism to Marvel Comics. Doctor Strange is the name of several comic book titles featuring the character Doctor Strange and published by Marvel Comics, beginning with the original "Doctor Strange" comic book series which debuted in 1968. Wong is a fictional character appearing in American comic books published by Marvel Comics.  He is the sidekick and valet of Doctor Strange, the Sorcerer Supreme of Earth.  Wong first appeared in the comic "Strange Tales" #110 but was unnamed until "Strange Tales" #119.  In the 2006 miniseries "Dr. Strange: the Oath", it was revealed that Wong stems from a family of monks living in Kamar-Taj.  He has a cousin currently in training in the occult and has talked to him about one day replacing Wong as a servant to Dr. Strange. Doctor Strange: The Oath is a 2007 comic book limited series written by Brian K. Vaughan, drawn by Marcos Martin, published by Marvel Comics and starring the superhero Doctor Strange.  The story follows Doctor Strange as he searches for the person who tried to kill him, while he also looks for a stolen magical elixir that will cure the terminal cancer of Wong, his faithful servant.  Doctor Strange finds himself facing another disciple of the Ancient One, who has learned about the elixir and is determined to destroy it. D'Spayre (sometimes D'spayre) is a fictional character appearing in American comic books published by Marvel Comics.  He is a demon, and was one of the Fear Lords.  He has been opposed by Spider-Man, the Scarlet Spider, Man-Thing, Cyclops, the Juggernaut, Doctor Strange, Cloak & Dagger, and the New Avengers. Clea ( ) is a fictional character, a sorceress appearing in American comic books published by Marvel Comics.  She is the disciple and lover of Doctor Strange.  Created by co-plotters Stan Lee and Steve Ditko, Clea first appeared in the Doctor Strange feature in "Strange Tales" #126 (November 1964). Doctor Stephen Strange (commonly known as Doctor Strange) is a fictional character, a superhero who appears in comic books published by Marvel Comics.  The character was co-created by writer-editor Stan Lee and artist Steve Ditko, and first appeared in "Strange Tales" #110 (July 1963). Doctor Strange is a 2016 American superhero film based on the Marvel Comics character of the same name, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures.  It is the fourteenth film of the Marvel Cinematic Universe (MCU).  The film was directed by Scott Derrickson, who wrote it with Jon Spaihts and C. Robert Cargill, and stars Benedict Cumberbatch as Stephen Strange, along with Chiwetel Ejiofor, Rachel McAdams, Benedict Wong, Michael Stuhlbarg, Benjamin Bratt, Scott Adkins, Mads Mikkelsen, and Tilda Swinton.  In "Doctor Strange", surgeon Strange learns the mystic arts after a career-ending car accident. The Cloak of Levitation is a fictional item appearing in American comic books published by Marvel Comics.  The Cloak of Levitation is depicted as a potent mystical item otherwise known as a "relic" by the movie Doctor Strange (2016) worn by the character Doctor Strange.  The primary purpose of the cloak is to give its wearer the ability to levitate and fly.  The first appearance of the first (blue) cloak was in "Strange Tales" #114 (November 1963).  The first appearance of the second (red) cloak was in "Strange Tales" #127 (December 1964).
Answer: Marvel