History CanonImmigrant / MarvelUniverse

** ComicBook/{{X 23}}, who was a cute, female [[OppositeSexClone clone of Wolverine]], similarly crossed the animated series/comic book barrier (and appears in ''VideoGame/MarvelVsCapcom3'').

* J.A.R.V.I.S., the AI that replaces Edwin Jarvis in the ''Film/IronMan'' films, has since appeared in the comics as the internal computer of [[spoiler: Pepper's armor]]. Apparently, the comics version's personality is modeled on the human Jarvis.
** Iron Man 3030 (a.k.a. Rhodey Stark) from Creator/JonathanHickman's ''[[ComicBook/TheAvengersJonathanHickman Avengers]]'' also used a version of J.A.R.V.I.S. as her suit's A.I. system.
** J.A.R.V.I.S. has since appeared in ''WesternAnimation/TheAvengersEarthsMightiestHeroes'', ''[[WesternAnimation/UltimateSpiderMan2012 Ultimate Spider-Man]]'', and ''WesternAnimation/AvengersAssemble''.

* Sophie "Chat" Sandoval, a mutant who SpeaksFluentAnimal, first appeared in ''ComicBook/MarvelAdventures ComicBook/SpiderMan'' as a friend of the teenaged ComicBook/EmmaFrost, and later the teenaged Peter Parker's girlfriend. A couple of years later, she was introduced to mainstream Marvel in ''Spider-Girl'' (the Anya series) #4.
* Arno Stark was originally introduced as Iron Man 2020, [[ComicBook/IronMan Tony Stark]]'s descendant from an alternate future. Creator/KieronGillen brought Arno into the official Earth-616 canon as Tony's long-lost older brother. He eventually became Iron Man in [[MythologyGag comics published in the year 2020]].
* Raza was originally created for the first ''Iron Man'' movie as a {{Race Lift}}ed {{Expy}} of Wong-Chu from the comics. In the 2010 ''Invincible Iron Man Annual'', the Mandarin, while talking about his past, also talks about Iron Man's origin, and mentions Raza being there. The Ten Rings, the terrorist organization Raza worked for, officially became canon in ''ComicBook/{{Ironheart}}'' #1.

** She wasn't the only original character on the team, but was ''much'' more popular than Spyke, ComicBook/{{Storm}}'s nephew who was essentially a [[GenderFlip male Marrow]] who even joined the Morlocks at one point. However, he did inspire two similar characters. A modified version of Spyke named "[[SpellMyNameWithAThe the Spike]]" was a member of the Milligan-Allred version of ''ComicBook/XForce'', but he fell prey to the team's infamously high mortality rate. More recently, a canon nephew for Storm named David Munroe was introduced, though it has not yet been revealed if he is a mutant.

* Similar to the Gwenpool example, Marvel ran a special variant cover program in 2023 dubbed ''New Champions'', each of which showed the hypothetical KidSidekick of an existing Marvel hero. Peach Momoko's contribution was Maystorm, a mutant girl from Japan who was intended to be Characters/{{Storm|Marvel Comics}}'s teenage protégé. While most of the other teen heroes remained confined to their respective covers, Momoko later brought Maystorm into the comics as one of the main characters of the post-''ComicBook/UltimateInvasion'' relaunch of ''ComicBook/UltimateXMen''.

* ''Comicbook/{{Gwenpool}}'' originated as part of a series of gimmick covers depicting Gwen Stacy dressed as various other Marvel characters. The cover featuring her in a pink and white Deadpool costume proved popular enough that Marvel brought the design into their universe as an actual character.

* Creator/DanSlott’s ''Comicbook/SilverSurfer'' run saw an appearance from the Ding-A-Ling Family, a clan of criminal space hillbillies who were created for a Hostess Twinkies ad featuring Thor way back in TheSeventies.
* Similar to the Gwenpool example, Marvel ran a special variant cover program in 2023 dubbed ''New Champions'', each of which showed the hypothetical KidSidekick of an existing Marvel hero. Peach Momoko's contribution was Maystorm, a mutant girl from Japan who was intended to be Characters/{{Storm|Marvel Comics}}'s teenage protégé. While most of the other teen heroes remained confined to their respective covers, Momoko later brought Maystorm into the comics as one of the main characters of the post-''Comicbook/UltimateInvasion'' relaunch of ''Comicbook/UltimateXMen''.

* Similar to the Gwenpool example, Marvel ran a special variant cover program in 2023 dubbed ''New Champions'', each of which showed the hypothetical KidSidekick of an existing Marvel hero. Creator/PeachMomoko's contribution was Maystorm, a mutant teenage girl from Japan who was intended to be Characters/{{Storm|Marvel Comics}}'s new sidekick. While most of the other teen heroes remained confined to their respective covers, Momoko later brought Maystorm into the comics as one of the main characters of the post-''Comicbook/UltimateInvasion'' relaunch of ''Comicbook/UltimateXMen''.

* Reptil, originally a character created just for ''WesternAnimation/TheSuperHeroSquadShow'' toyline (which came before the show, remember), was introduced in the comics in an ''Initiative'' special in early 2009. He then became a student at ''ComicBook/AvengersAcademy'' the following year, just barely getting a main character spot in a book before the TV show debuted. As a Hispanic character, he filled a demographic need, and, as a FunPersonified PromotedFanboy who can transform into dinosaurs, brought something unique to the table.

** The show's version of Avalanche was named Lance Alvers instead of Dominic Petros like the comics, but was considered to be the same character. Well, as of "X-Men Gold," there is now is a new Avalanche who is named Lance Alvers.

* Gustav Fiers, A.K.A. The Gentleman, was created for the ''Literature/SinisterSixTrilogy'' of Spider-Man novels by Adam-Troy Castro. He subsequently made small appearances in ''Film/TheAmazingSpiderMan'' and ''Film/TheAmazingSpiderMan2'', before officially joining the Marvel Universe in the ''ComicBook/CivilWarII: [[ComicBook/TheKingpin Kingpin]]'' mini-series.

* The mutant superhero Firestar was created for ''WesternAnimation/SpiderManAndHisAmazingFriends'' (issues with the rights to ''ComicBook/FantasticFour'' characters scuttled the original plans for the Comicbook/HumanTorch, who's canonically a long-time friend of Spidey) and, like Spidey's other amazing friend Iceman, was supposed to be a former member of the ComicBook/XMen. She was imported into the Franchise/MarvelUniverse in ''X-Men #193'', had her own limited series, and later served as a member of the ComicBook/NewWarriors and ComicBook/TheAvengers.

* The WesternAnimation/{{Next Avengers|HeroesOfTomorrow}} debuted in a direct-to-DVD animated film before appearing in the first arc of Creator/BrianBendis' ''Comicbook/HeroicAge'' relaunch of the main ''Avengers'' book a few years later. They later showed up in ''Avengers World'' (a companion book to Creator/JonathanHickman's ''[[Comicbook/TheAvengersJonathanHickman Avengers]]'' run) as well.

* Erik Selvig from the ''Film/{{Thor}}'' movies made the jump to the comics as a ComicBook/{{SHIELD}} scientist. Darcy Lewis, Jane's friend from the films, would later make her canon debut in the 2022 ''Comicbook/ScarletWitch'' series.

* Similar to the Yondu, Nick Fury and Hope Pym examples, ''ComicBook/{{Exiles}}'' introduced an alternate universe version of ComicBook/{{Valkyrie|Marvel Comics}} who is explicitly modeled after Creator/TessaThompson's portrayal of the character in ''Film/ThorRagnarok''. The series also incorporated the alternate universe Comicbook/PeggyCarter version of Captain America from ''VideoGame/MarvelPuzzleQuest''.

* ''ComicBook/MoonKnight2021'' #25 and the ''Comicbook/MoonKnightCityOfTheDead'' limited series see the comic debut of Layla El-Faouly/Scarlet Scarab from the ''Series/MoonKnight2022'' TV series (''Moon Knight'' #25 is Layla's debut, featuring her past with Marc as members of a mercenary team, and ''City of the Dead'' is her debut as Scarlet Scarab).

* Sophie "Chat" Sandoval, a mutant who SpeaksFluentAnimal, first appeared in ''ComicBook/MarvelAdventures Franchise/SpiderMan'' as a friend of the teenaged ComicBook/EmmaFrost, and later the teenaged Peter Parker's girlfriend. A couple of years later, she was introduced to mainstream Marvel in ''Spider-Girl'' (the Anya series) #4.

* Takuya Yamashiro, the [[RaceLift Japanese]] version of Franchise/SpiderMan from the Creator/ToeiAnimation [[Series/SpiderManJapan live-action show]], was officially brought into the Marvel Multiverse during the ''ComicBook/SpiderVerse'' crossover event.

* ''ComicBook/MoonKnight2021'' #25 and the ''Comicbook/MoonKnight: City of the Dead'' limited series see the comic debut of Layla El-Faouly/Scarlet Scarab from the ''Series/MoonKnight2022'' TV series (''Moon Knight'' #25 is Layla's debut, featuring her past with Marc as members of a mercenary team, and ''City of the Dead'' is her debut as Scarlet Scarab).

* Yondu basically got the Nick Fury treatment. In the comics, Yondu is a NobleSavage archer from the 31st century, but in [[Film/GuardiansOfTheGalaxy2014 the movie]], he's a country fried redneck space pirate from the present day, and doesn't use a bow. The comics compromised by introducing a movie-inspired version of Yondu as the distant ancestor of the original.

* Rikki Barnes from ''ComicBook/HeroesReborn'' had literally migrated to the main Marvel Universe as of ''ComicBook/OnslaughtReborn''. As of the 2019 series about her time as Nomad, her brother John, got an actual counterpart on Earth-616, only presumable without being the grandson of ComicBook/BuckyBarnes and Peggy Carter.

* The ''Comicbook/MoonKnight: City of the Dead'' limited series sees the comic debut of Layla El-Faouly/Scarlet Scarab from the ''Series/MoonKnight'' TV series.

* The ''Comicbook/MoonKnight: Dead City'' limited series sees the comic debut of Layla El-Faouly/Scarlet Scarab from the ''Series/MoonKnight'' TV series.

** ''Spider-Verse'' basically canonized every single adaptation of Spider-Man ever created, officially incorporating them into the Marvel {{Multiverse}} in the process. Yes, this includes stuff like [[Advertising/HostessFruitPies the Hostess snack cake ads]], the [[ComicStrip/SpiderMan newspaper comic strip]] and the [[Theatre/SpiderManTurnOffTheDark ill-fated musical]].

* Erik Selvig from the ''Film/{{Thor}}'' movies made the jump to the comics as a ComicBook/{{SHIELD}} scientist.

* The 90s' ''WesternAnimation/XMen'' animated series gave another interesting example in Morph. He was based on a comics character, Changeling, who had been killed in the 1960s, and was KilledOffForReal in the pilot as a SacrificialLion. He proved so popular in his brief screentime that not only was he brought back to life in the cartoon, but an alternate-reality version of Changeling going by the codename Morph was introduced as a major character in the comic crossover event ''ComicBook/AgeOfApocalypse''. Another AU version of Morph later became a main character in ''ComicBook/{{Exiles}}''.