Spider-Man

Spider-Man (COMIC: The Stockbridge Horror) or Spiderman (PROSE: Only Human) was by some accounts a real individual, (COMIC: The Incomplete Death's Head, The Glorious Dead, Camelot Lost, etc.) or a fictional character (PROSE: To the Slaughter, etc.) in television, (COMIC: The Stockbridge Horror) in movies, (PROSE: Only Human, The Story of Fester Cat) and in comics. (PROSE: Forever Autumn, etc.)

As a fictional character, Spider-Man had the ability to scale buildings by crawling along their sides, not unlike a spider. (PROSE: To the Slaughter) The Seventh Doctor once stated that "with great power, comes great responsibility", a quote that he thought came from Marvel Comics, (PROSE: Timewyrm: Genesys) although the Tenth Doctor cited it to his uncle. (PROSE: Legends of Camelot)

Outside of the Doctor's universe, Spider-Man also existed in Earth-33⅓ (COMIC: Doctor Who? 64) and Earth-238. (COMIC: Waiting for the End of the World)

As a real person
Spider-Man once attended Bonjaxx's birthday party at Maruthea. A balloon with Spider-Man's face was also present at the party. (COMIC: The Incomplete Death's Head)

In 1977, Billy Wilkins, finding the Eighth Doctor's methods of dealing with the Morg ineffectual, claimed that Spider-Man would've finished it off by now. (COMIC: Doctor Who and the Nightmare Game) Keepsake passed an individual resembling Spider-Man, but with a trunk, at Huggy's in Los Angeles, 8162. (COMIC: Do Not Forsake Me Oh My Darling!)

Captain Britain recalled fighting alongside Spider-Man, referring to him as one of "the world's greatest heroes". (COMIC: Camelot Lost)

A glimpse of Spider-Man fighting Doctor Octopus, demanding that he answers him rather than just lying "there", was visible when Esterath explained to the Eighth Doctor about the Omniversal Spectrum. (COMIC: The Glorious Dead)

The Tenth Doctor noted that the uncle of a "friend" of his once claimed that "with great power comes great responsibility." (PROSE: Legends of Camelot)

As a fictional character
Completing the argument that Jason was making about the immortality of fictional characters, the Seventh Doctor said that if Spider-Man aged, he would be collecting his pension. (PROSE: Conundrum) During an attack on the Fifth Doctor's TARDIS, a Spider-Man cartoon show was playing on the scanner screen, shortly before the screen's destruction. (COMIC: The Stockbridge Horror)

There was at least one film about Spiderman, (PROSE: Only Human, The Story of Fester Cat) simply titled Spider-Man. (PROSE: The Story of Fester Cat) Das watched the film and thought the character Spiderman was real. Jack Harkness told Das that Spiderman was a fictional character in the movie and was played by an actor. (PROSE: Only Human)

In early 2005, Gustavo Lugo witnessed the Ninth Doctor trying to sell some early Spider-Man comics from the 1960s and 1970s at a local comic book store, but the owner refused as they seemed to be in too good condition to be original. (PROSE: Have You Seen This Man?) Sat in the room of Rick Pirelli, Thad Steiner flicked through a Spider-Man comic. (PROSE: Forever Autumn) Grant told the Twelfth Doctor the origin story of Spider-Man, however, the Doctor believed that getting bitten by a radioactive spider would result in radiation poisoning. He appeared on several posters in Grant's room for two issues of The Defenders, an issue of The Amazing Spider-Man, and a more general poster featuring several Marvel characters. (TV: The Return of Doctor Mysterio)

Ambiguous
These accounts contain information about Spider-Man but do not clarify if he is real or not.

In 1972, Maxwell Collins had a shirt with Spider-Man on it. (COMIC: The Pestilent Heart)

A child in Plokta's Dream Corridor played with Captain Britain and Spider-Man toys. (COMIC: Hell Comes to Birmingham)

When Clyde Langer accidentally walked into a spider's web in one of Ashen Hill Manor's secret passages Rani Chandra laughed and said "Very spider-man!" (TV: The Eternity Trap)

George Thompson liked Spiderman. He wrote about this in his special book. (PROSE: My Special Book)

Earth-33⅓
A version of Spider-Man existed in Earth-33⅓. In this universe, once entered the Doctor's TARDIS, along with Superman, Batman, Iron Man, Captain America, and Jet Lagg when the Fifth Doctor landed it in New York during a crimewave. (COMIC: Doctor Who? 64)

Earth-238
Another version of Spider-Man existed in Earth-238. In this universe, Spider-Man was among the superheroes taken to death camps. (COMIC: Waiting for the End of the World)

Further references

 * In Winner Takes All, the Ninth Doctor says "My spider sense was tingling". This is a reference to Spider-Man, although no connection has been made in the DWU.
 * While taking interview questions from Big Finish listeners Daniel Anthony expressed the opinion that Spider-Man is "the best superhero ever created" with his favourite live-action actor in the role being, and his favourite version of the character being from the animated film .

Comics

 * The Incredible Hulk Presents Vol 1 12.jpg, which contained the Doctor Who comic story Ninevah!.]]Spider-Man was created by Stan Lee and Steve Ditko and debuted in, with Andy Yanchus colouring the comic. The quote about power and responsibility comes from this first story. The first story reprinted in Dr Who's Time Tales, The Man in the Mummy Case!'', was originally printed in this same issue.
 * Dan Slott once proposed a five issue limited series where Peter Parker would become The Doctor's travelling companion. While the BBC were enthusiastic about the idea, Slott's bosses at Marvel ultimately rejected the pitch.

Spider-Man TV series

 * The can be recognised by the quoted line from its theme song. Technically, it isn't possible to tell in The Stockbridge Horror whether this is a cartoon with a song or if someone is warning him about the coming of the Spider-Man.

References to Doctor Who within Marvel

 * A different Spider-Man,, referenced Doctor Who and used the phrase "timey-wimey stuff" to explain time travel to Thor in.

Films

 * One idea for The Lazarus Experiment was a mad scientist working on developing invulnerable synthetic skin; it was dropped because Davies feared that this might be part of the plot of the movie Spider-Man 3, which was due for release around the same time that Greenhorn's episode would likely air.
 * Andrew Garfield played Spider-Man in the 2012 film The Amazing Spider-Man and its 2014 sequel The Amazing Spider-Man 2. He reprised the role in the 2021 film Spider-Man: No Way Home.
 * Alfred Molina, who played Doctor Octopus in the 2004 Spider-Man sequel, was considered for the Eighth Doctor in the 1996 TV Movie.