Poorly-Disguised Pilot

aka: Backdoor Pilot

"Rule of thumb: whenever a show does an episode focusing on a bunch of people you've never seen before and never do again, it's a pilot for a new show."

— Thom Holbrook's Crossover Page

An episode in which the show's primary characters take a back seat to brand new characters in order to test the waters for a separate show. Whereas the traditional Spin-Off involves main/recurring characters becoming popular enough to break out on their own, the characters described here are clearly jammed in there just for the sake of the new show. Rarely do these pilots get picked up by the network, however.

Another common term for this is "backdoor pilot"; however this can refer to other things as well, such as a traditional spin-off if the character(s) involved are given a send-off within the parent show, or a pilot broadcast as a special or Made-for-TV Movie that will be picked up as a series only if the ratings are good enough.

Much like any pilot, the version of the series that makes it to air may have actors or settings changed. For instance, the version of Empty Nest that made it to TV was much different than the Poorly Disguised Pilot on The Golden Girls, and the proposed Aquaman series would have starred a different actor than the one who guest-starred on Smallville.

As a general rule, if you're watching a show and you find yourself asking questions like "Where did everybody go?", "What are we doing here?", "Who are these people?", or, above all, "What is going on here?", then you're watching a Poorly Disguised Pilot.

Other symptoms of a Poorly Disguised Pilot include:

• A Spotlight-Stealing Squad debuting in an episode.
• A character moving away or leaving a team, sometimes with a Suspiciously Similar Substitute introduced in his place.
• A Day in the Limelight episode focusing on someone other than the main and supporting characters (usually a third-tier ancillary character or a Living Prop or recurring extra).

Before the concept of the Season Finale took off, these were often aired as the last episode of a season.

The Opposite Trope is Fully Absorbed Finale, when what is functionally the last episode of a show appears in another show. See also Pilot Movie. Do not confuse this trope with a pilot wearing an ineffective disguise.

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Example subpages:

• Live-Action TV
• Western Animation

Other examples:

Anime & Manga

• This is apparently the reason for Ruri being Put on a Bus in Oreimo; so she could receive a spinoff.
• One episode of Outlaw Star has Gene and co encountering two characters from Angel Links, a spinoff series that debuted a year later.
• In Fushigi Yuugi: Byakko Ibun, the legend of the priestess from another world and her chosen warriors is mentioned briefly, but overall has no purpose in the chapter. The supposed protagonist Suzuno doesn't even actively appear, she only shows up as an image on the final page. The chapter barely feels like it has anything to do with Fushigi Yuugi to begin with, with the sole revelation being that one of the two main characters, the Ineffectual Loner Nirusha, is actually the Seiryuu warrior Miboshi! Fushigi Yuugi: Byakko Senki, the proper story of Suzuno, wouldn't begin until 2017, two years after Byakko Ibun was released.
• Chapter 116 of Kaguya-sama: Love Is War features Karen and Erika from the Mass Media Club (who up until this point in the series had been nameless Recurring Extras) interviewing various major characters in the lead up to the culture festival. It mainly served as a tie in to the Spin-Off series We Want to Talk About Kaguya that premiered the same week, though it did feature some foreshadowing for Shirogane's Grand Romantic Gesture.

Audio Plays

• The Big Finish Doctor Who spin-off Jago & Litefoot (who appeared on the TV show in "The Talons of Weng-Chiang") started out by testing the waters with a story in the Companion Chronicles range, named The Mahogany Murderers, centering around the Victorian duo trying to get to the bottom of a strange mystery in London, featuring no interference or even appearance by the Doctor whatsoever. This format was well-received, and kicked off what is perhaps Big Finish Doctor Who's most successful spin-off.

Comic Books

• In Fables, Jack goes to Hollywood and makes a trilogy of LOTR-ish films about himself. He eventually gets caught and exiled from Fabletown, leading into the Jack of Fables series.
• The first three issues of the Retool of Adventures of the Fly, called Fly-Man, is basically this for the original version of the Mighty Crusaders.
• Lampooned in Cable & Deadpool #38.
  Deadpool: "Bob, Agent of Hydra". One would almost think we were forcing you down our readers' throats as some kind of possible limited series pitch or something.
• The "Bloodlines" DC Comics crossover of the early 90s is basically one massive series of Poorly Disguised Pilots, with that year's "annual" issue for each ongoing series showcasing the origin of a new superhero. Although a few of these "New Blood" characters were later featured in mini-series or ongoing series, the only one that managed any kind of success was Garth Ennis's Hitman, which spun out of The Demon.
• Marvel Comics tried a similar tactic with their 1993 annuals, which each introduced a new character. Of the 27 new characters created, the only one who really caught on was Legacy, who fronted his own series for a while as the new Captain Marvel.
• DC tried this again in 2000 with their Planet DC event, where, once again, a bunch of annuals introducing new characters were launched. Pretty much the only new heroes who saw any real use were Nemesis (introduced in the JSA annual) and Bushido (introduced in the Titans annual), and even those two ended up being killed off.
• Likewise, an issue of The Mighty Thor during the "Acts of Vengeance" crossover in Marvel Comics showcases the New Warriors, who received their own book months later.
• Fantastic Four #536 and #537 were used to set the stage for J. Michael Straczynski's Thor relaunch. The plot had the FF trying to prevent Doctor Doom from claiming the deceased Thor's hammer, which was revealed to have landed near Broxton, Oklahoma after the events of Ragnarok.
• Season 9 of Buffy the Vampire Slayer introduces Billy, a teenage gay male Slayer-wannabe in his own story Billy the Vampire Slayer. However, Billy has only made a few reappearances since then and is pretty much forgotten about in season 10.
• Heroic Publishing occasionally uses its Champions title in this manner. Likewise, Heroic Spotlight.
• Daredevil #7 guest-starred Namor and ended with him returning to Atlantis to quash a coup led by Warlord Krang, directly setting up the Sub-Mariner feature that began running in Tales to Astonish several months later.
• Marvel Comics, at the start of the Silver Age, had what are now called "tryouts". For instance, one Human Torch story features a Captain America impostor and asks the readers if they wanted to bring back the real Captain America. On the other hand, the fevered imagination of fans (and/or the greed of comic book speculators) has been prone to see tryouts in Marvel's pre-superhero era even when links between the precursor and later characters are tenuous at best (e.g., a '50s monster character who happens to be called "Hulk" and was renamed Xemnu the Titan once The Incredible Hulk showed up to avoid confusion).
• Superman:
  • DC Comics occasionally tried out the idea of a character before going forward with "the real thing." DC's first Distaff Counterpart characters to Superman (Lois Lane temporarily getting powers and operating as "Superwoman" and Superboy turning into a girl and operating as "Claire Kent, Super-Sister") were probably not tryouts so much as one-shot story ideas. But 1958's Superman 1939 #123: "The Girl of Steel" was clearly a dry run for Supergirl. In that story, Jimmy Olsen uses a magic totem to wish for a "Super-Girl" who would be a companion and helpmate for Superman. It doesn't work out all that well, and Jimmy ends up wishing the girl out of existence at her own request. Reaction was positive enough that DC introduced Kara Zor-El, the real Supergirl, shortly after in The Supergirl From Krypton (1959).
  • Supergirl (2005): Nick Spencer's Aborted Arc would've seen Kara teaming up with Robin (Damian Wayne), Static, Batgirl (Stephanie Brown), Blue Beetle (Jaime Reyes), Miss Martian and Impulse (Irey West). According to Spencer, the plan was to use the storyline as a backdoor pilot for a new Young Justice relaunch starring those characters, but he ended up being replaced on the book before his first issue was released.
• Both Marvel and DC often launched features from titles that had no "regular" star. Those features would then, if popular enough, get their own titles:
  • Spider-Man is perhaps the most famous case. He first appeared as the cover character of the fifteenth issue of Amazing Fantasy, an anthology series that was being canceled, despite an editor's note promising that Amazing Fantasy would be continued in a new format with a Spider-Man story every month. That promise would be fulfilled by a new title, The Amazing Spider-Man.
  • Marvel would revive Amazing Fantasy in the 2000s; Anya Corazón got her own book shortly afterwards called Araña: Heart of the Spider. She would later become the sidekick of Ms. Marvel (Carol Danvers) before being retooled as the new Spider-Girl.
  • More successful than her is probably Amadeus Cho, who co-starred in The Incredible Hercules and eventually became the Totally Awesome Hulk.
  • Only a few other characters, such as Dr. Monica Rappaccini, Death's Head 3.0, Monstro, and Vampire by Night, ever showed up anywhere after the series, and even then mostly in supporting roles.
• Speaking of Greg Pak's Totally Awesome Hulk run, one arc had Amadeus team up with a group of fellow Asian and Asian-American superheroes like Shang-Chi, Ms. Marvel, Silk and Jimmy Woo. Several of these characters later reunited during War of the Realms as the new Agents of Atlas, with Pak returning to write their book.
• DC's Showcase launched a large number of successful features, including the Silver Age versions of The Flash, Green Lantern and The Atom, Challengers of the Unknown, Metal Men, Sea Devils, and many more. The series lasted from 1956 to 1970, and was briefly revived from 1977 to 1978. The series introduced and/or spotlighted:
  • Fred Farrell, Fire Fighter debuts in issue #1 (April, 1956). He didn't make it as a protagonist, but has his share of appearances in crossover stories.
  • Issue #2 (May, 1956) is a theme issue for stories set in the wilderness, introducing three would-be protagonists. The first is Eagle Feather, a Native American shepherd who has to hunt and kill the mountain lion which preys on his sheep. The second is an unnamed Orphan Runaway who manages to bond with a stray dog and save lives in a fire. The third is Billy, a trained circus bear, who is lost in the woods and has to survive in his new surroundings. The issue was not deemed popular enough to have sequels.
  • Issue #3 (July, 1956) features Doug the "sardine", a trainee frogman (term for combat divers) who has to prove to his fellows that his short stature is not a liability to the team. Again, not a winning concept for an ongoing series.
  • The Flash/Barry Allen debuts in issue #4 (October, 1956). He also headlines issues #8 (June, 1957) and #13-14 (April-June, 1958). The character had enough positive feedback for DC to revive the old The Flash series with Barry as the protagonist, starting with issue #105 (March, 1959). His ongoing lasted to 1985, making the greatest hit to graduate from Showcase.
  • Issue #5 (November, 1956) is another theme issue, featuring "manhunters" (people who take part in an organized search for a wanted man or fugitive). The protagonists are Detective Harry Fowler, FBI Agent Don Reed, and Sympathetic Inspector Antagonist Frank Drew who hunts master criminal The Eel around the globe. None of the characters were deemed popular enough to reuse in later stories.
  • The Challengers of the Unknown debut in #6 (February, 1957). They also headlined #7 (April, 1957) and #11-12 (December, 1957-February, 1958). They gained enough positive feedback to gain their own series starting in May, 1958. Their original series was published regularly to 1970, and sporadically to 1978 when it was cancelled for good.
  • Lois Lane headlines issues #9-10 (August-September, 1957). Feedback was positive enough for Lois to gain her own series, starting in March, 1958. Her ongoing lasted to 1974.
  • Space Ranger debuts in #15 (August, 1958). This hero of The Future also headlines #16 (September, 1958), but failed to generate enough interest to launch an ongoing. He instead became the cover character of the anthology Tales of the Unexpected starting with issue #40 (August, 1959). He maintained this position to 1964.
  • Adam Strange debuts in #17 (December, 1958). He also headlines #18-19 (February-April, 1959). Feedback and sales were not enough to give him an ongoing, but were also too good to discontinue the character. He became the cover character of the anthology Mystery in Space, starting with issue #53 (August, 1959). He was regularly featured there to 1965.
  • Rip Hunter, Time Master debuts in #20 (June, 1959). He also headlines #21 (July, 1959) and #25-26 (March-May, 1960). The Time Traveler generated enough interest to "graduate" to his own ongoing series, starting in April 1961. His ongoing lasted to 1965. He eventually got revived for television, as the leader of the Legends of Tomorrow, played by Arthur Darvill, who had time travelled before.
  • Green Lantern/Hal Jordan debuts in #22 (October, 1959). He also headlines #23-24 (December, 1959-February, 1960). Feedback and sales were positive enough for Hal to "graduate" to his own ongoing series, starting in August 1960. His ongoing was regularly published to 1972. It was revived in 1976 and (with a couple of revamps on the way) lasted to 1988.
  • The Sea Devils debut in #27 (August, 1960). They also headline #28-29 (October-December, 1960). They are a quartet of scuba-diving adventurers with notable similarities to both the earlier Challengers of the Unknown and the later Fantastic Four. Feedback and sales were positive enough for them to "graduate" to their own ongoing series, starting in October, 1961. It lasted to 1967.
  • Aquaman and Aqualad headlined issues #30-33 (February-August, 1961). While the main character was already appearing in anthology series, this trial run established that Aquaman could work with longer stories. He "graduated" to his own ongoing series, starting in January 1962. His ongoing was published to 1971, was revived in 1977 and was cancelled in 1978.
  • The Atom/Ray Palmer debuted in #34 (October, 1961). He also headlined issues #35-36 (November-December, 1961). Feedback and sales were positive enough for him to "graduate" to his own ongoing series, starting in July, 1962. His ongoing lasted to 1969, with a brief revival in 2010.
  • The Metal Men debuted in #37 (March-April, 1962) and were reportedly intended as a one-shot concept to begin with. But due to positive feedback, they also headlined #38-40 (June-September, 1962) and "graduated" to their own ongoing series, starting May, 1963. Their series was regularly published to 1970, had revivals in 1973 and 1976, and was cancelled in 1978.
  • A revamped version of 1940s character Tommy Tomorrow headlined issues #41-42 (November, 1962-January, 1963), #44 (May, 1963), and #46-47 (September-December, 1963). The regular Tommy stories typically featured the character as an experienced officer, while the revamped stories covered his training years and the earliest points of his career. Neither version generated reader interest, so the character landed from Showcase to Comic-Book Limbo.
  • James Bond headlined issue #43 (March, 1963). Basically, DC gained the rights to reprint a British comic book adaptation of the film Dr. No. While they also licensed the rights to create their own stories with the character, they never used them and the license expired c. 1972.
  • Sgt. Rock headlined issue #45 (August, 1963). He was already the cover character of an anthology series, but DC apparently considered him for "graduation" to his own series. He did not "graduate", and continued dominating the anthology title Our Army at War to 1977. The series was then renamed after him.
  • Cave Carson headlined issues #48-49 (January-March, 1964) and #52 (October, 1964). The character was a spelunker and Tunnel King. Again there was little to no reader interest and the character ended up in Comic-Book Limbo.
  • King Faraday headlined issues #50-51 (May-July, 1964). In this case the stories were reprints of his 1950s Spy Fiction adventures. While it was hoped that the stories would enough to warrant a revival of the character, there was no reader interest and consequently no revival.
  • G.I. Joe headlined issues #53-54 (November, 1964-January, 1965). An adaptation of a then-new toy from Hasbro, again nothing really came of it.
  • Doctor Fate and Hourman headlined issues #55-56 (April-June, 1965). DC had recently revived the Justice Society of America and was variously testing the waters for further use of the characters involved. These issues did not generate enough interest for either hero to get his own series. Their lasting mark was a successful revival of 1940s villain Solomon Grundy who would become a recurring character again. As for the heroes, they remained supporting characters of the Justice League of America for several years.
  • Enemy Ace headlined issues #57-58 (August-October, 1965). He was then a fairly recently-created character and the stories helped flesh him out, but again not enough reader interest and no series for him. At least for a while. He became the cover character of the anthology Star-Spangled War Stories from 1968 to 1970.
  • The Teen Titans headlined issue #59 (December, 1965). Feedback was positive and the Titans "graduated" to their own series in February, 1966. Their ongoing series was published regularly to 1973, was revived in 1976, and cancelled in 1978.
  • The Spectre headlined issues #60-61 (February-April, 1966) and #64 (October, 1966). The character had not been used in two decades and these issues successfully revived him. It took a while to fully re-establish him but he "graduated" to his own series in December, 1967. His ongoing series lasted to 1969.
  • The Inferior Five debuted in #62 (June, 1966). They also headlined issues #63 (August, 1966) and #65 (November, 1966). A Super Team consisting of inept super-heroes, they were positively received. They "graduated" to their own title in April, 1967. Their ongoing was published regularly to 1968, and then was briefly revived in 1972.
  • B'wana Beast debuted in #66 (February, 1967). He also headlined issue #67 (April, 1967). He was a Beastmaster who could create Mix-and-Match Critters. The character received mostly negative feedback and a planned third issue was never created. The character fell to Comic-Book Limbo.
  • The Maniaks debuted in #68 (May, 1967). They also headlined issues #69 (July, 1967) and #71 (November, 1967). The characters were a rock group consisting of three guys and one woman, having wacky adventures. The woman Silver Shannon served as Ms. Fanservice and the Gold Digger in search of rich mates. At the finale of each issue the Maniaks would Break the Fourth Wall and appeal to readers, asking them to support their tryout in Showcase. It didn't work and the Maniaks entered Comic-Book Limbo. Silver seems to be the only character actually remembered by later writers, as she was revived as a supporting character in the Power Company (2002).
  • Binky Biggs, the 1940s teenage humor character, headlined issue #70 (September, 1967). DC was at the time attempting to revive its defunct teenage humor-line in an apparent attempt to compete with Archie Comics. It seems DC didn't really wait long enough to do a proper tryout, as he did "graduate" to his own series after a single issue. His original series Leave it to Binky was revived with issue #61 (June, 1968) and lasted under this name to 1970. The series was then renamed to Binky, and continued to 1971. It was again briefly revived in 1977, but that was the end of it and the character.
  • Issue #72 (February, 1968) reprinted older Western Stories, notably including sample stories of the Trigger Twins and Johnny Thunder. They were characters from the classic Western line of DC which had lasted from 1948 to 1961. Whether DC was seriously considering revivals for them, or this was a Filler issue is unknown. But nothing came of it.
  • The Creeper debuted in #73 (April, 1968). DC did not really wait for feedback and immediately launched an ongoing series for him: Beware the Creeper (May, 1968). It lasted to 1969.
  • Anthro debuted in #74 (May, 1968). He was supposedly the first Cro-Magnon boy born to a Neanderthal tribe. His adventures were supposed to chronicle the birth of modern humanity, his descendants. Again DC did not really wait for feedback and launched an ongoing for him in August, 1968. It lasted to 1969.
  • Hawk and Dove debuted in #75 (June, 1968). They were two heroic siblings with opposing ideologies, serving as Straw Characters. Hawk was a militant guy who advocated violence in support of a proper cause, and let his fists do the talking for him. Dove was a pacifist who advocated finding peaceful resolutions and reaching a compromise. Their solutions to any given situation were supposed to reflect upon the political and ideological conflicts of 1960s. DC once more did not wait for feedback and launched an ongoing for them in September 1968, The Hawk and the Dove. It lasted to 1969.
  • Bat Lash debuted in #76 (August, 1968). DC was inspired by the popularity of Spaghetti Westerns to launch a new Western series, but with a twist. In contrast to the unambiguous heroes of their older series in the genre, Bat was a Lovable Rogue, a Womanizer, a Professional Gambler, and a Reluctant Warrior. He did not actively look for trouble, but his Walking the Earth often landed him in troubled places. DC was too confident in the concept to wait for feedback, and launched an ongoing for him in November, 1968. It lasted to 1969.
  • Angel and the Ape debuted in #77 (September, 1968). Without waiting for feedback, DC launched their ongoing series in December, 1968. It kept its name for 3 issues, then was renamed to Meet Angel to emphasize the female partner of the duo. Under the new name it lasted to the end of 1969.
  • Jonny Double debuted in #78 (November, 1968). He was a Perpetually Broke Private Detective who tried to make a living on what his customers were willing to pay him. DC was not eager to give him an ongoing series, so the character went straight to Comic-Book Limbo. In this case, however, writers of the 1970s did find use of him in several series headlined by more popular characters. So Jonny is better known for supporting roles in stories of the Challengers of the Unknown, Supergirl, Wonder Woman, and Kobra.
  • Dolphin debuted in #79 (December, 1968). She was a mysterious Apparently Human Merwoman with an implied Wild Child background. Her first appearance covered her first contact with human civilization and learning basic language skills. Again DC had no real plans for her and she went straight to Comic-Book Limbo. In the 1980s she became a member of the Super Team Forgotten Heroes, which consisted of other characters who had not been used in a while, took part in the Crisis on Infinite Earths, and had a team-up with Animal Man. In the 1990s, she joined the supporting cast of Aquaman.
  • The Phantom Stranger headlined issue #80 (February, 1969). In this case DC was eager to revive the 1950s character, and launched his new series in June, 1969. It was regularly published to 1976. It had a brief revival in 2010.
  • Windy and Willy debuted in #81 (March, 1969). They were actually modified versions of older characters. DC had earlier published a comic book adaptation of The Many Loves of Dobie Gillis and wished to reuse it, in another attempt to appeal to the market for teen-humor stories. But they weren't willing to pay the owners of the television show just to reprint stories they already legally owned. So, the original protagonists Dobie Gillis and Maynard G. Krebs were modified to Willy and Windy. Once again DC did not wait for any feedback, and launched a new ongoing for the duo in June, 1969. It flopped in sales and was cancelled after only 4 issues. It was the least successful series to come out of the pages of Showcase.
  • Nightmaster debuted in #82 (May, 1969). He also headlined issues #83-84 (June-August, 1969). The basic concept was that modern-day rock musician Jim Rook and his girlfriend Janet Jones walk into The Little Shop That Wasn't There Yesterday and find themselves in a Sword and Sorcery dimension. Jim learns that he is a descendant and a Legacy Character to a local sword-wielding hero. Inheriting the Sword of Night, a Cool Sword with mystical powers, Jim becomes the Nightmaster and gets involved in the conflicts of his new home dimension. The Nightmaster did not sell well enough to "graduate" to an ongoing series, and went straight to Comic-Book Limbo. He was revived in the 1990s with cameos in Animal Man and The Books of Magic, and more substantial roles in Primal Force and Swamp Thing. In the 2000s, he joined the Shadowpact.
  • Firehair debuted in #85 (September, 1969). He also headlined issues #86-87 (November-December, 1969). Firehair was a white boy Raised by Natives, named for his Red Hair. As an infant in the Old West, Firehair experienced the violent death of his parents at the hands of the Blackfoot tribe of Native Americans. But the leader of the tribe decided to raise the boy as his own son. As a young adult, Firehair finds himself with all the supreme fighting skills of the Mighty Whitey, but none of the respect. His own tribe despises him because of his looks, while the White Man sees his as a strange-looking Savage Indian. So he starts Walking the Earth, trying to find a place which will truly accept him, and saving some lives in the process. According to his origin story, a shaman predicted that his destiny will be to be constantly despised by both his own people and by anyone he tried to help. The concept did not sell well enough and Firehair went straight to Comic-Book Limbo. He was revived in 1971, when he briefly became the second feature of the Tomahawk series.
  • Jason Grant debuted in #88 (February, 1970). He also headlined issues #89-90 (April-June, 1970). The story had a young man on a personal quest. In a Deathbed Confession, Jason's "father" reveals that Jason is adopted. His real father had been killed by orders of Crime Lord Tuborg. The same man who caused the fatal wounds of the adoptive father. Now Jason has to locate his Long Lost Sister, and the hidden records or evidence of Tuborg's past misdeeds. Armed with a grainy photo, a guitar and a second-hand import motorbike, Jason wonders Western Europe to fulfill his quest. The concept did not sell well and Jason went to Comic-Book Limbo. He has had a couple of cameos over the years, but nothing substantial.
  • Manhunter 2070 debuted in #91 (August, 1970). He also headlined issues #92-93 (August-September, 1970), which were originally the last issues of Showcase. This version of Manhunter is a space-traveling Bounty Hunter. In 2053, young Starker witnessed the murder of his father and was himself enslaved by Space Pirates. He spend his years of captivity in secretly studying and learning as many of his captors' skills as he could. Which he eventually used to bargain for a position in their crew. He used his position to destroy them from within, killing all those involved with the murder of his father and delivering the rest to the authorities. This act taught him that one can make a living by hunting outlaws. By 2070, Starker is a veteran bounty hunter with a ruthless streak. The concept did not sell well enough to give him a series and this Manhunter went to Comic-Book Limbo. Several writers have since revived him for various space-faring adventures.
  • The Doom Patrol headlined issues #94-96 (September, 1977-January, 1978), the first ones of the revived series. With most of the original members dead, these issues got to introduce some new blood. The new version was not popular enough to "graduate" to their own series, though they served well as guest-stars in various titles.
  • Power Girl headlined issues #97-99 (February-April, 1978). Though possibly well-received, the DC Implosion resulted in the cancelling of many of the ongoing titles of the company. It was no time to launch a new title.
  • Issue #100 (May, 1978) was a Milestone Celebration and a change of pace of the series. Instead of a sales pitch for a new series, this featured a Massive Multiplayer Crossover. A Crisis of some type requires heroes from different eras to join forces and try to rescue reality itself. These heroes happened to include almost every character to ever headline Showcase, in a celebration of the series' history. Most characters get cameos, but the story serves as A Day in the Limelight for Lois Lane and Angel O'Day who co-operate in actually ending the Crisis.
  • Hawkman/Katar Hol headlined issues #101-103 (June-August, 1978). Basically he had a crossover with Adam Strange, featuring a war between the planets Rann and Thanagar. Nothing came of it, and Hawkman remained a featured player in the Justice League of America.
  • OSS headlined issue #104 (September, 1978), with stories set in World War II and featuring various agents. Went on to be the regular backup feature of G.I. Combat, behind headliner The Haunted Tank. Showcase itself was cancelled at this point, though there were two more issues awaiting publication. Their material became available later through other formats.
  • Deadman would have headlined #105, as a sales pitch to get him an eponymous series. No such luck until 1985.
  • The Creeper would have headlined #106, since there were creators campaigning to get him a second series. No such luck until 1997.
  • There were known plans for subsequent issues. At least one featuring the Huntress/Helena Wayne and a World of Krypton story which would further flesh out the background of Superman's doomed homeworld. This version of Huntress would get a backup series in Wonder Woman Vol 1 which was often more popular than the main feature, while World of Krypton would be published as a mini-series in 1979.
• DC tried to get a second try-out book off the ground in the mid-70s, partially as a replacement to the by-then-canceled Showcase. It's called First Issue Special, and it started because publisher Carmine Infantino realized first issues sell better and wanted a series where every issue was the first (seriously). Incidentally, this means that each premise was only afforded one issue, whereas most often in Showcase a feature would headline for two or three issues. It only ran for 12 issues, and it only launched one comic, Warlord. Warlord ended up running about ten times as long as First Issue Special did — from 1976 to 1988. About half of the other issues feature established characters like the Creeper or Dr. Fate; the non-Warlord characters created for First Issue Special mostly disappeared after their headlining ish, though the Green Team received a quickly-canceled revival in 2013.
• For various convoluted reasons, Marvel was limited to printing a certain number of titles in the '60s. When no longer under that restriction, Marvel launched several of its own Showcase-style titles, such as Marvel Spotlight, which launched features such as Werewolf by Night, Ghost Rider, and Spider-Woman.
  • Some of this was due to the introduction of The Comics Code. Moral Guardians convinced comic publishers to ban horror-related subjects like vampires, ghouls, and the undead, and those titles floundered for awhile, eventually throwing out different subjects and characters to see what would stick. This was easy enough to do, as many of them were anthology comics with 3-4 stories per issue. Journey into Mystery started telling the story of Thor, and the Hulk (after his one-shot series was canceled) started to guest star in Tales to Astonish. In Tales of Suspense, the stories introducing Iron Man and reintroducing Captain America spawned their own titles.
  • Earlier, in the late 1960s, Marvel did it with Marvel Super-Heroes, a larger-than-normal comic whose lead feature launched such stars as Captain Marvel, Ka-Zar, and the Guardians of the Galaxy, with classic 1940s and 50s stories backing it up!
    • The Guardians of the Galaxy got this treatment twice. First they were introduced in Marvel Super Heroes in the late '60s, and nothing came of it. A few years later they made guest appearances in Marvel Two-in-One and The Defenders before they got their own book as the stars of Marvel Presents.
  • Likewise, Doctor Strange debuted in Strange Tales, a former horror anthology series that had been turned into a split book featuring various characters like the Human Torch. The feature became so popular that the series was eventually retitled Doctor Strange with issue #169. Another feature, Nick Fury: Agent of S.H.I.E.L.D. (which had ReTooled Fury from a WW2-era soldier to a James Bond-esque Cold War super spy), was also spun off into its own book.
• Archie Comics tried to salvage their failing 1960s superhero line by using "Mighty Comics" as their "Showcase", featuring such heroes as The Web, The Shield, The Black Hood, and Steel Sterling. It wound up killing the line for about 15 years.
• One Story Arc in Runaways is this for "Excelsior", a support group for former teen heroes that ended up getting sent to chase the main characters. It was eventually launched as The Loners, after it turned out that the trademark on "Excelsior" belonged to Stan Lee, who had put out a book about his experiences in comics by that title.
• Jack Kirby famously begin planting the seeds for his upcoming Fourth World family of titles in the pages of Superman's Pal, Jimmy Olsen. This included the first appearance of Darkseid, who would go on to be the Big Bad of the Fourth World books.
• During the nineties, Spider-Man meets during a battle with Hydra a superhero named "Shoc", obviously meant to appear in his own series. It's also pretty obvious who his Secret Identity was. Fortunately, he was quickly forgotten.
  • Speedball first appeared in a Spider-Man Annual that depicted him on the cover, soaring over both Spidey and Daredevil. The annual shoehorned Speedball into the main story and featured a solo back-up tale. This led to a short-lived solo series, Speedball The Masked Marvel. Despite this, the character has been around for about 30 years, was a prominent member of New Warriors, and played a large role in Civil War.
  • Amazing Spider-Man #86 was meant to set up the short-lived Black Widow solo series that appeared in Amazing Adventures.
  • Amazing Spider-Man #92 featured a guest appearance from Iceman of the X-Men. The story was apparently testing the waters for an Iceman/Doctor Strange split-book that had been planned, but the series never materialized.
• Issue 99 of Gerard Jones's Justice League of America run is clearly an attempt to drum up support for a series about the altered children who took over the issue, the Strangebrood. This didn't pan out, and the Strangebrood never showed up again anywhere.
• JLA (1997) has several arcs that serve as preludes for new series.
  • The "Crisis Times Five!" arc from Grant Morrison's run ended with several former members of the Justice Society of America deciding that it might be time to put the team back together and mentor the newest generation of heroes, leading into James Robinson and David Goyer's JSA relaunch.
  • The "Obsidian Age" arc ended with Aquaman resigning from the team and being put on trial for sinking Atlantis, leading directly into Rick Veitch's 2003 Aquaman relaunch.
  • Kurt Busiek introduced the Power Company in the 61st issue before quickly spinning them off in their own series.
  • The "Tenth Circle" storyline by John Byrne and Chris Claremont served to set up John Byrne's Doom Patrol relaunch, establishing revamped versions of the team's original roster of the Chief, Elasti-Girl, Robotman and Negative Man as well as adding Justice League member Faith and new characters Grunt, Nudge and Vortex as new recruits for the team.
• The penultimate issue of the New 52 Justice League series was a Whole Issue Flashback detailing Robin's first encounter with the League. The story served as a lead-in to the DC Rebirth Titans book that launched not long after.
• In 2005, the anthology series Star Wars Tales featured two stories taking place in the Knights of the Old Republic era. One is issue sized while the other lasts only six pages. Two months after the release of the issue featuring the first story, a Knights of the Old Republic comic series was announced. It was likely that both ideas were created around the same time, however.
• The notorious 'The Punisher Goes Black' story arc in 1992 that guest-starred Luke Cage served as a pilot for the 1990s Cage series.
• X-Factor, the reunion of the original 5 Silver Age X-Men members, was set up by events that occurred in several other Marvel titles at the time:
  • A crossover of sorts between The Avengers #263 and Fantastic Four #286 revealed that Jean Grey, who had seemingly died at the end of The Dark Phoenix Saga, was actually alive in a cocoon at the bottom of Jamaica Bay.
  • Uncanny X-Men #201 saw Cyclops leave the X-Men after losing a duel for leadership of the team to Storm.
  • The final issue of New Defenders ended with most of the team being killed off, with former X-Men members Angel, Beast and Iceman left as the only survivors.
  • The Dazzler series ended with the title character seeking a new beginning, with Beast recommending that she join the new team he was putting together.
  • All (or most) of these plot points led to Cyclops, Jean, Angel, Beast and Iceman reuniting and forming a new team, X-Factor. Despite the tease, Dazzler did not end up as part of this new series, as the initial plan to have her be the fifth member of X-Factor was abandoned when editorial decided to resurrect Jean.
• Speaking of The Defenders, they also got their start this way. Prior to the launch of the series, the three future core members of the Defenders (Doctor Strange, The Incredible Hulk and Namor) teamed up in a crossover that ran between their solo books, followed by a second crossover where Namor partnered with the Hulk and the Silver Surfer in his own series.
• The Punisher himself has his own pilot in the pages of Spider-Man (man, Spidey is popping up a lot).
• Another famous case is Wolverine. He first popped up in an issue of The Incredible Hulk. The creators wanted to use him in other titles but didn't have a clear idea what they wanted to do with the character. They ended up tossing him onto the X-Men, in large part because he had been identified as Canadian and they wanted "international" characters for the new team.
• Patsy Walker was resurrected in a storyline that ran across the 2000 annuals for Thunderbolts and The Avengers, before receiving a Spin-Off Hellcat limited series. The mini-series was even advertised at the end of the Avengers annual.
• Chuck Austen's final few issues of The Avengers serve as a springboard for the New Invaders. This is a particularly egregious example, as the finished product reads like an Invaders story that just happens to guest star a few of the Avengers.
• Avengers World had an AXIS tie-in that ran in issues #16-17, where, after undergoing a temporary Character Alignment change, Doctor Doom formed his own team of heroes to stop the evil Scarlet Witch. The story ended with the heroic Doom using the Witch's power to resurrect Cassie Lang, a plot point that had very little to do with the story at hand, but existed to set up the new Astonishing Ant-Man series that launched soon after, and under the same writer to boot.
• The Fear Itself: The Home Front mini-series had a 3-part story featuring X-23, Amadeus Cho, Spider-Girl and the new Power Man and Thunderstrike. The story was clearly meant to build momentum for a new teen superhero team featuring the characters, but it never got off the ground.
• This wasn't even the first time this happened to Amadeus Cho. During the World War Hulk crossover, the main Incredible Hulk series did an arc about an eclectic team of heroes that consisted of Amadeus, Hercules, Angel, Namora and the Carmilla Black version of Scorpion. The characters were meant to be spun-off in a new team book called The Renegades, but the pitch ended up being turned down by Marvel. However, the arc did successfully springboard another series: The Incredible Hercules.
• The second and third issues of the original Youngblood series give one of the flip-sides to Shadowhawk and Supreme, respectively. The fourth issue features a prelude to Pitt, but without the flip-book format.
• Transformers:
  • Near the end of its run, The Transformers gave heavy focus to the super hero team, the Neo Knights, even giving them their own spotlight issue and having them play a fairly large role in defeating Unicron in the final issue. It would later be revealed that the Neo Knights were Simon Furman's attempt to become one of Marvel's main writers, with Furman admitting in the last issue's letters page that he believed that the Transformers were finished as a franchise and that trying to get a Neo Knights spinoff was his new focus.
  • The plot for Transformers: Generation 2 is kicked off in a Crossover with G.I. Joe: A Real American Hero (Marvel), which had an earlier crossover with the Marvel Transformers comic, but otherwise ignored the other comic.
  • Transformers vs. Visionaries was likely one for the Visionaries. Hasbro and IDW revived a short lived and long forgotten '80s property to prominently debut in their shared comic universe through a crossover with the Transformers. What's more, the crossover came right as said universe was preparing to be discontinued and IDW made it's plot required reading for the final event comic. It's almost certain that IDW was testing the waters to see if a Visionaries standalone comic was viable.
• The final issues of the Superman: Grounded storyline were intended by writer Chris Roberson as (among other things) a backdoor pilot for a "Supermen of America" series.
• Christopher Priest has admitted he only added the Korean heroine Mystek to the Justice League Task Force during his run to set her up for her own mini-series. When plans for the mini-series were axed, Priest quickly killed her off.
• The Teen Titans Annual #2 introduces us to Vigilante, who got his own comic book the following month.
• The second-to-last Teen Titans storyline by Felicia Henderson was meant to be a backdoor pilot for a new Static comic book series. The DC relaunch delayed the series, and by the time it launched a year later, it had been retooled to the point that it literally abandoned every bit of set-up introduced in the Teen Titans arc, and had a new writer as well.
• Earlier, Gail Simone and Rob Liefeld had collaborated on a two-issue Teen Titans filler arc that saw the Titans team up with Hawk and Dove to battle Kestrel. According to Liefeld, the arc was testing the waters for a Titans East spin-off series that never got made.
• The Blue Beetle and Hardware team-up in The Brave and the Bold includes an extremely obvious set-up for a new Hardware solo series.
• U.S. Marshal J.D. Hart features prominently in issues 42-44 of the original series of Jonah Hex, essentially acting as a co-star to Jonah in those issues. Hart was going to be spun off into his own book, unofficially titled Dakota, but that book never eventuated and Hart eventually returned as a supporting character in Jonah Hex.
• What If?:
  • The ninth issue of the original series was probably intended to be this for a series starring the various heroes from Marvel's 1950s comics. Which did happen, albeit 30 years later, with Agents of Atlas.
  • A much later issue of What If is the basis for the entire Marvel Comics 2 universe and Spider-Girl.
  • The last issue of the second volume, based on Secret Wars (1984), focuses entirely on the next generation of heroes who were born from the survivors of the original war when it ended with them trapped in Battleworld. It introduces a whole team, shows off their relationships and personalities, and even ends on a clear Sequel Hook where they return to Earth to fight the Sentinels that have now taken it over. Unlike either of the above two, though, it's never been revisited.
• Nova has a story arc where Sam meets Justice and Speedball, two of the washed-up former members of the New Warriors. Around the same time, Superior Spider-Man Team-Up features an arc where Otto encounters a new heroine named Sun Girl. The characters involved later meet and team up for the Marvel NOW! relaunch of New Warriors.
• Uncanny X-Men #358 (August 1998) is a spotlight issue for the Odd Couple of Bishop and Deathbird, established earlier, with them gaining a new ally and getting involved in a struggle against another version of The Empire in space. The issue is often commented on, in retrospect, as seeming to serve as a pilot or sales pitch for a Space Opera series or storyline, but if so the plans never materialized.
• The crossover between Sonic the Hedgehog (Archie Comics) and Image Comics serves as a pilot episode for writer Ken Penders' incredibly short-lived, creator-owned The Lost Ones series.
• Secret War featured a team-up between many of the characters who would go on form the core cast of New Avengers, and also set up several plot threads for that series.
• The final arc of Ultimate Spider-Man features a team-up between Spidey (Miles), Cloak and Dagger, Spider-Woman, and Bombshell. This same group appears in the Cataclysm: Ultimate Spider-Man mini-series before being spun-off in their own book as the All-New Ultimates.
• Early 00's Crisis Crossover Maximum Security is clearly an attempted launching pad for a few concepts, including a cosmic Avengers team and former stand-in Captain America US Agent. Agent did get his own series, but it was short lived.
• The first arc of Avengers Assemble was set-up for a new Guardians of the Galaxy series. It brought the Guardians out of Comic-Book Limbo, teased the mystery of how Star-Lord and Thanos had escaped the Cancerverse, and ended with the Badoon vowing vengeance on the Earth.
• Avengers #684 (part of Avengers: No Surrender) was a lead-in to Immortal Hulk.
• Whether intended as one or not, the Fantastic Four three-parter that introduces Galactus serves as a backdoor pilot for the Silver Surfer. The same run also introduced Black Panther and The Inhumans, who would later receive their own titles.
• Played with in DC Comics' Star Raiders — as a graphic novel, it's rather disjointed, with a Random Events Plot filled with numerous characters and details that are left unused. Justified in that it was originally intended as a longer Story Arc (with an option for an ongoing series) that got cancelled halfway through development, with an ending abruptly added to salvage the work that was already done.
• Mortadelo y Filemón: Another Ibáñez character, Tete Cohete, is introduced in a Mortadelo comic of the same name.
• Following the end of James Tynion IV's tenure as the writer of Detective Comics, Bryan Edward Hill was hired to write a short Filler arc before the start James Robinson's run. The arc saw Batman bring Black Lightning to Gotham in order to help train Cassandra Cain and Duke Thomas, with the group later encountering Katana as the story progressed. Unsurprisingly, it was eventually announced that the storyline would lead into a new volume of Batman and the Outsiders, with Hill as the writer.
• The Mega Man (Archie Comics) series had an arc that focused on the cast of Mega Man X prior to the events of the first game. By Ian Flynn's account, it was an attempt to gauge interest for a comic focused on X. Unfortunately, Mega Man itself was starting to slip in sales by that point, which made the prospect of a series focused on his less iconic counterpart a bit of a crapshoot.
• Issue #100 of Nightwing (Infinite Frontier) set up the Titans 2023 series for the Dawn of DC initiative, pulling together the team and creating a new Titans Tower in Bludhaven.

Fan Works

• Jake English's Mysterious Theater of Scientific Romance from the Year 3000's crossover with Justice Society of Japan was meant to be this, as the latter story was in the midst of being written as part of NaNoWriMo.
• Many of the entries in the anthology series Halloween Unspectacular are open-ended and can easily be expanded into full stories of their own, with the author often suggesting that he might do so one day. In the case of one story from the first edition, he actually did.
• The New Adventures of Invader Zim: The two-part story in Season 2 Episodes 10 and 11 ultimately turns out to be a setup for a spinoff focused on the Resisty fighting the Irkens and Commander Wiyn hunting them. The author states that he does intend to write this at some point, but for now it's not a priority.

Films — Animation

• There were at least three Disney Direct to Video sequels that are obviously compilation films of never-made TV shows.
  • Cinderella II: Dreams Come True featured three stories created for a never-made TV adaptation of Cinderella.
  • Beauty and the Beast: Belle's Magical World featured three stories for an also never-made Beauty and the Beast TV series.
  • Belles Tales Of Friendship, which also included some footage from the TV series Sing Me A Story With Belle.
  • Atlantis: Milo's Return had tv quality animation and a more episodic structure that clearly hints it was meant to be tv show.
• The SpongeBob Movie: Sponge on the Run, which features flashbacks of a younger SpongeBob meeting Gary and the rest of the main cast at Kamp Koral, appears to serve as this for the Spinoff Babies series Kamp Koral.

Films — Live-Action

Note: Remember, films that are created with the idea of releasing an Animated Adaptation in mind are Pilot Movies and should be listed there.

• A large chunk of the plot in The Amazing Spider-Man 2, such as Harry Osborn's transformation into the Green Goblin and subsequent meeting with Gustav Fiers in The Stinger, was clearly meant to set up the eventually-cancelled Sinister Six movie. This was one of the film's biggest criticisms.
• Blade: Trinity was partially intended as one for Hannibal King and Abigail Whistler's Nightstalker characters. It didn't work out.
• X-Men Film Series:
  • X-Men Origins: Wolverine was stated to be a testing bed for films based on Gambit and Deadpool/Wade Wilson. The fact that the two were the most common points of criticism (Gambit for being an Advertised Extra, Deadpool for They Changed It, Now It Sucks!) would tell you that it didn't work.
  • However, Ryan Reynolds' performance as Wade Wilson from before his disfigurement was very well received, to the point where he really was the only choice to play the lead role in the actual Deadpool (2016) movie. But although The Stinger of Origins did leave its version of Deadpool salvageable (re-opening his mouth and apparently undoing his brainwashing), the Deadpool film opted for a Truer to the Text Continuity Reboot (restoring Deadpool's fourth-wall breaking powers and Comedic Sociopathy, while shedding the Eye Beams, Blades Below the Shoulders, and Teleportation^note though he's frequently had access to artificial teleporters in the comics, it's nothing like what's depicted in Origins). These differences were (naturally) lampshaded in the film itself, where a scene begins with a close-up of an action figure of Deadpool's original appearance and Wade saying "this is my most prized possession" before it's revealed he's talking about a Wham! album underneath the action figure.
  • Years later, there were plans to have a new version of Gambit (played by Channing Tatum) appear in X-Men: Apocalypse to set him up for his own spin-off. The solo Gambit movie was greenlit, but the planned appearance in Apocalypse was nixed.
  • Subverted with X-Force's appearance in Deadpool 2, because it's not "disguised" in the slightest. One of Deadpool's motives for forming the team is to gather a bunch of young people who can carry a franchise for a decade or so. Further subverted when every member of the team except for Deadpool and Domino end up dying minutes into their first mission.
• Marvel Studios seems to like this a lot, because the first five films of the Marvel Cinematic Universe were meant to collectively lead into an Avengers film.
  • Iron Man 2 in particular received a lot of Executive Meddling to make it set up Avengers, with Nick Fury and Black Widow's roles in the plot being a good example of this. Jon Favreau was so frustrated by this that he refused to direct Iron Man 3.
  • A big criticism of Avengers: Age of Ultron is that significant chunks of the movie rather blatantly exist to set up Black Panther (2018), Captain America: Civil War, Thor: Ragnarok and Avengers: Infinity War.
  • With Phase 3, they introduced Black Panther and Spider-Man in Captain America: Civil War before spinning them off into their own movies. Overall, this was better-received than the previous examples, with the characters themselves proving quite popular.
  • Phase 4's Black Panther: Wakanda Forever introduces Riri Williams in a manner that rather blatantly sets her up for the Ironheart spin-off series on Disney+.
• Daredevil (2003) was basically hacked to pieces by Fox executives to serve as a pilot for the Elektra spin-off. When given the opportunity to put out the movie as it was originally conceived, the director cut Elektra's screentime substantially, restored a half dozen missing subplots, and turned it into a movie that was actually worthwhile. The Elektra spinoff was even more poorly-received than Daredevil was.
• Before the James Bond movie Tomorrow Never Dies came out, producers announced that they were planning a spinoff movie series featuring Michelle Yeoh's character Wai Lin. That never happened, but similarly, there was much talk of a spinoff featuring Halle Berry's Jinx character from Die Another Day. The extent to which they were truly serious about either notion is unclear. Some suspect the talk in each case was simply pre-release hype ("The heroine in our next picture is such a great character, we're giving her a movie series of her own!"), although they did seem to at least make effort for the Jinx movie, for which they hired Stephen Daldry as director, got two months into writing the screenplay and had the series' production and costume designers create some early concept art before the poor performances of Charlie's Angels: Full Throttle, Lara Croft: Tomb Raider – The Cradle of Life and especially Catwoman led to it being canned.
• There was talk of a Catwoman movie as a follow-up to Batman Returns. Michelle Pfeiffer wasn't very excited about the project and it never came to fruition until long after the Batman movie franchise had died in 1997. Eventually, the project was revived as a vehicle for Halle Berry, resulting in the notorious 2004 flop Catwoman (2004).
• The Godzilla series has done this more than once:
  • Godzilla vs. Megalon was intended in part to launch a new Giant Hero, the robotic Jet Jaguar, for Toho Studios. In some ways this is the opposite; it was originally planned as a Jet Jaguar movie and Godzilla was added to attract an audience.
  • Godzilla and Mothra: The Battle for Earth seemed to focus more on Mothra and her Evil Counterpart Battra as opposed to Godzilla, as it was meant to serve as a launching pad of sorts for Toho's Rebirth of Mothra film trilogy.
• Indiana Jones:
  • Indiana Jones and the Last Crusade. The first 15 minutes, featuring River Phoenix as a young Indy in search of a historical MacGuffin, are this for The Young Indiana Jones Chronicles. Though Phoenix declined to reprise the role for TV, and was replaced by Sean Patrick Flanery in the series itself.
  • Subverted at the end of Indiana Jones and the Kingdom of the Crystal Skull, where it looks for a moment like Indy's hat is being passed (both figuratively and literally) to his son... until Indy picks it up and puts it back on.
• Fantastic Four: Rise of the Silver Surfer is one for Silver Surfer. Many things in the movie don't happen (like the appearance of the Big Bad) in order to allow for the Silver Surfer spinoff, which never happened.
• Wonder Woman makes her cinematic debut in Batman v Superman: Dawn of Justice in order to set up a solo Wonder Woman movie starring the same actress. The other members of the Justice League of America all appear in cameos to set up the Justice League movie, with some critics likening the cameo sequence to a trailer within the movie.
• The Mummy (2017) has Dr. Jekyll, a character typically not associated with mummies, show up to explain plot points and make references to a secret society of monster hunters to set up future "Dark Universe" films about classic Universal monsters like the Bride of Frankenstein, the Invisible Man, and Frankenstein's monster.
• The first short for Columbia Pictures featuring The Three Stooges, "Woman Haters", was originally a part of another Columbia short subject series, Musical Novelties. The resulting Early-Installment Weirdness stems largely from this, including all the dialogue being delivered in rhyme. (Later reissues added the classic "Three Stooges" title card, but kept the "Musical Novelty" title card as well.)

Literature

• Averted in Animorphs. A large cast of new characters, aptly named the Auxiliary Animorphs, are introduced into the series near the climax. One would think this would mean shoehorning them into getting a spinoff, right? Nope, they're all unceremoniously killed off.
• The Dresden Files: The short story "A Fistful of Warlocks" features a younger Anastasia Luccio at the start of her Warden career, fighting a group of warlocks led by Heinrich Kemmler in the Wild West. According to author Jim Butcher, this is meant to set up an entire prequel series he has in mind, but probably is never going to actually write.
• You wouldn't think this could happen in book form, but it has. Nancy Drew Files #39: The Suspect Next Door focuses heavily on Nancy's neighbor, a girl named Nikki Masters. Not too long after, Nikki got her own spin-off, a romance series called River Heights. It lasted about 16 issues before getting run off the face of the Earth and is largely forgotten now.
• It may not have been intentional, but the Past Doctor Adventures novel Corpse Marker by Chris Boucher ends up feeling like a poorly-disguised pilot for his Kaldor City audio dramas, with the Kaldorian characters (and Blake's 7 crossover characters) getting more page time than the Doctor and Leela.
• Rinkitink in Oz is a book in the Oz series of books that was originally written as a standalone fantasy novel in the land of Pingaree. It didn't get published in that form, but eventually, L. Frank Baum changed it into an Oz book just by putting in what amounts to a gratuitous Crossover with some Oz characters, who show up at the end to solve the plot with Deus ex Machina. Mind you, at this point in his career, Baum was finding that whether he liked it or not, his books could only be commercially successful if they were Oz books.

Music

• In 2002, Disney Channel commissioned the Canadian virtual pop duo Prozzak to write and perform the title song for their TV movie Get a Clue, albeit with some drastic changes: the band was rechristened Simon and Milo after the two animated characters who comprised the act (presumably because they're named after a drug) and had Milo redesigned to be much more conventionally attractive. The channel aired a music video for the song during commercials, which was only unusual because it looked nothing like anything else they were airing at the time and the act had nothing else to their name. As it turns out, Disney Channel was testing the waters for a Simon and Milo animated series, but before that could come about, the network and Prozzäk co-founder Jason Levine clashed over what they each considered "child-friendly" content, resulting only in the music video and a compilation album titled Ready Ready Set Go, released for the sole purpose of putting "Get A Clue" onto a CD.
• The Confession Executive Committee music video that formally introduces LIP×LIP is "Romeo", an in-universe music video showcasing their careers watched by the other Love Series characters. One of the members themselves, Yujiro, was previously given importance at the tail end of "Blooming Into the Color of Love" with a then newly introduced girl about his age, who turns up again in "Romeo" coupled with lyrics implying she'd be the group's love interest. Sure enough, "Romeo" would later serve as the starting point for the Idol Series, a set of videos centered around the universe's entertainment industry, and the girl, Hiyori, would feature as LIP×LIP's manager.

Podcasts

• The first episode of The Adventure Zone was aired as part of My Brother, My Brother and Me.
• The first episode of Serial was aired as Episode 537 of This American Life, in a transparent attempt to get listeners. It worked beyond the creators' wildest dreams.

Pro Wrestling

• WCW took a swing at this in late 1997 when the New World Order "took over" Monday Nitro on Dec. 22, running it as "nWo Monday Nitro", complete with set changes and a modified Nitro logo with the nWo logo in place of WCW's. While on the surface this looked like just another typical nWo angle, it was actually meant to be a test to see if they could maintain a solid audience with an nWo-focused show, as WCW was planning to roll out Thunder as a secondary program the following year, and had originally hoped to run Thunder as the WCW program and turn Nitro into a standalone nWo show. However. there wasn't enough audience interest and the time they took to restructure the show around the nWo wasn't seen as worthwhile, so the idea didn't go any further than this one episode.
• In 2000 All Pro Wrestling held a tournament called King Of Indies, which eventually became its own separate event, though the letters KOI remain associated with APW. The same thing happened in 2004 with ChickFight, although ChickFight did "return" to work with APW.
• WWE did something like this shortly after acquiring WCW in 2001, trying to test the waters for a separate WWE-run WCW show during a Monday Night Raw episode emanating from Tacoma, WA. They covered the ring in WCW logos, replaced their own commentators with Arn Anderson and Scott Hudson, and had Buff Bagwell and Booker T wrestle a match on July 2. Unfortunately the crowd hated this, so the whole thing was thrown under the bus quickly (the infamous "Invasion" angle is what was spawned from the failure of using WCW as an entirely separate entity).
• The World Wrestling League was founded in 2012 with the stated purpose of getting wrestlers/luchadors from all over the Americans and Caribbean to work together. It was initially known mainly for its Dream Matches tours through Mexico and the Dominican Republic, an "invasion" series of New Xtreme Order and a couple other Bolivian enterprises or facilitating smaller cross promotional matches and shows such as between Pro Wrestling Revolution and CMLL, or the Florida based Coastal Championship Wrestling and Ecuadoran WAR. WWL promoted title belts even at this time and booked their holders to go over champions of participating promotions, particularly AAA's, but wrestlers from all over, including AAA, contended for and won WWL belts, and WWL arranged for its champions and other talents to appear on shows they normally would not, such as AAA's Triplemanía XXI, so it wasn't that different from other governing bodies like the NWA. Two years in however and the Puerto Rican World Wrestling Council pulled out on account of WWL running an Insurrection event in Puerto Rico that relied not on international or WWC talent but mainly wrestlers from Puerto Rico's independent circuit, particularly those that used to work for WWC's defunct competitor IWA PR. WWL also began running angles similar to IWA's, to the point fans began calling it a resurrection. WWL continued to officially bill itself as a coordination facilitator and governing body for awhile but by 2016 it had given up all pretenses of being anything but a promotion intent on running shows exclusive to its own brand and all WWL affiliates besides TNA and The Crash dropped out.
• The World Wrestling League's use of IWA Puerto Rico talent in turn led to this when Savio Vega launched a "hostile takeover" of WWL and started running IWA's old flagship show Impacto Total in place of WWL's High Voltage. While the IWA usurpers were defeated, Vega was able to successful revive IWA PR in 2018.

Video Games

• Super Mario Bros.:
  • Super Mario World 2: Yoshi's Island (Super Mario Bros. 5 in Japanese) still has Mario present, but he's mostly just being escorted by Yoshi, and the game, while still considered a main line game, ended up launching the Yoshi's Island franchise.
  • Wario Land: Super Mario Land 3, on the other hand, is a Mario Land game In Name Only, which is likely why the name of the series it starts comes first with the series it spun off from comes second.
• One of the major plots you spend time investigating in Another Code R is the mystery of Matt's father and what drove his business into the ground. While the bulk of the mysteries surrounding it are solved and tie in well to the main story, the final fate of his father is unresolved. It was supposed to lead into a separate game where Matt would resolve this plot, but Cing (the developers) went under before such a game could be produced.
• The nightmare minigame in Metal Gear Solid 3: Snake Eater is a tech demo for an original game that was being developed by the Zone of the Enders team titled Guy Savage. However, Guy Savage was canceled and the minigame was removed in the HD Edition version of MGS3 along with the cutscene and codec conversation referencing it.
• Warcraft III: The Frozen Throne's bonus campaign "The Founding of Durotar", with its shift from RTS to RPG gameplay, is this for World of Warcraft. The quest-driven nature was rare for MMORPGs at the time, but was planned as a major feature of World of Warcraft, and the campaign even features the Resurrection Stones that were originally going to be in World of Warcraft before the death system was revamped (the stones would ultimately become Meeting Stones).
• Guild Wars Eye of the North was this for the sequel, Guild Wars 2. The main storyline had three separate arcs which focused on the Asura, Charr, or Norn, each of which became a playable race in the sequel. The Sylvari was also present in the form of a sapling White Tree. While the primary antagonist was the Great Destroyer, the presence of the Elder Dragons was also foreshadowed, including Kralkatorrik appearing as part of the landscape.
  • The Beyond storylines were introduced to renew interest in the franchise after it had laid dormant and increase awareness of the sequel. War in Kryta reintroduced the Krytan royal family and Shining Blade while also introducing the all new Seraph, the main human army in the sequel. Winds of Change similarly sets up the shift of Cantha into a monolithic, xenophobic human state. An additional storyline was planned to show how Elona would begin moving towards its defeat by Palawa Joko but was not completed.
• Kingdom Hearts III, as well as its DLC, was intended to be this for Verum Rex - an intended Spiritual Successor to the original Final Fantasy Versus XIII. Nomura decided to scrap it and incorporate these element(s) into Kingdom Hearts IV after fear that this would cause confusion and worry fans that Kingdom Hearts would once again enter Development Hell.

Web Comics

• Not Invented Here was launched in Unshelved in fall 2009. Though it's not even poorly disguised, since they brought in the NIH artist as a guest artist.
• Prior to receiving her own series and eventually becoming the Platypus Comix mascot, Mulberry Sharona made some guest appearances in Marin Meadow, a series Peter Paltridge decided to discontinue around the time he came up with Mulberry.
• Although T Campbell has never said so outright, the Penny and Aggie arc "The New Reality" appears to have been in part a trial run for a spin-off set in Hollywood and focusing on Sara (like the arc itself). In late 2010, Campbell held an eBay auction for the privilege of having a character named after the highest bidder, in a new webcomic to be launched the following year. The listing stated that names which appeared in the Penny and Aggie cast page would be ineligible, as would the names "Lucy, Hilary or Martin," three of the characters from "The New Reality" arc. In the end, Campbell followed P&A with an entirely different spin-off, QUILTBAG, which stars Sara and Lisa as college roommates.

Web Videos

• "El de los Simpsons" is a short film about Grasse thinking he is El Burto. It inspired the three main characters from DaSuisa: Da Homa, La Morgan and Bort. The voices and costumes come from this video too.
• The third episode of the That Guy With the Glasses 2013 anniversary special The Uncanny Valley, titled "The Reviewers", is actually the pilot episode of a potential new series, which was picked up a year later.
• Ethan originally intended The Double Agent to be about reviewing other reviewers and also about random topics (as his first episode is about the worse types of Halloween candy) after he left his first show Worst Music Of The Year behind, but he slowly warmed up to talking about music again.
• Schaffrillas Productions' 2022 April Fools' Day video starts out as a review of Arcane until it turns into a sketch that he claims is the show's attempt at a backdoor pilot for a show where General Grievous and Sid the Sloth have misadventures working at Arby's. It also acts as one out-of-universe as he asks the audience if they want more episodes of Grievous and Sid at the end.

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