One fine day, [[Film/IronMan Pepper Potts]] meets with billionaire [[Literature/FiftyShadesOfGrey Christian Grey]] to discuss business arrangements between him and Stark Industries. When she trips coming into his office, he becomes smitten and absolutely certain she's the perfect submissive for him. Unfortunately, Pepper has no interest at all in any sort of a relationship with him. He continues to pursue her in [[StalkingIsLove various disturbing ways]]. She calls in Natasha Romanov and Clint Barton for assistance. HilarityEnsues.

''[[https://www.fanfiction.net/s/8753648/1/Christian-Grey-Vs-Pepper-Potts Christian Grey Vs Pepper Potts]]'' is a crossover fanfiction by Imarra Pendaran. Initially written to show what would happen [[TakeThat if Christian Grey pursued]] [[RealityEnsues an actual independent woman]], it goes on to span much of the MarvelCinematicUniverse as well as several other Marvel comic book titles as the Avengers is formed properly, several couples get married, and Christian Grey continues to cause far more trouble than anyone suspected.

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* ActionGirl: Natasha Romanov, She-Hulk, and Rogue, naturally.
** Weirdly it seems this is mildly to Natasha's disadvantage later. Not because her skills aren't specifically useful to her but...[[spoiler:Natasha is SO badass that Grey's trigger completely fails against her when she tries to use it to draw his attention. She's so tough that he simply can't conceive her as being weak no matter what.]]
* AdultFear: While Christian's misogyny is generally PlayedForLaughs, there are several times when his intentions towards several women are truly alarming. [[spoiler:Near the end of the story he has a meltdown while it's just him, [[BadassNormal Pepper]], and a heavily-pregnant Natasha, with the heavy implication that he'd have killed both women if they hadn't killed him first.]]
* AmazonChaser:[[spoiler:Irony of ironies, Christian Grey ultimately develops what is probably the closest thing to genuine romantic attraction towards Natasha BECAUSE she's such an ActionGirl.]]
* {{Antidisestablishmentarianism}}: [[spoiler:This is the safe word Christian is given while being worked over by the CFAASPBDDSSM[[note]]the Council for Appropriate and Safe Practice of Bondage and Discipline, Dominance and Submission, and Sadism and Mascochism[[/note]].]]
* ButICantBePregnant: [[spoiler:Natasha and Clint have this reaction towards Natasha's pregnancy, the former because she was on SHIELD-issued birth control (which she found out was being recalled) and the latter because of a sperm count so low he thought he'd never have children).]]
* ButtMonkey / AssholeVictim: As you can tell from the title, Christian Grey. His misery is often self-inflicted.
* CelebrityParadox: The ''Literature/{{Twilight}}'' series is referenced, despite ''Fifty Shades of Grey'' being based on a fanfic of the series.
* DamselInDistress[=/=]NeutralFemale: Christian's trigger causes him to see any attractive female who trips in front of him as this.[[spoiler:Natasha tries to invoke this when she trips in front of him while pregnant to draw his attention. It fails.]]
* DoubleStandardRapeFemaleOnMale: Averted. When [[spoiler:Rogue controlled by Christian's personality]] tries to molest Clint Barton, it's written as just as traumatizing as any of the times Christian tried to do the same to various female characters. Also, while everyone considers Christian's actions reprehensible, Rogue is horrified at his [[QuestionableConsent relationship]] with Mrs. Robinson and understands at least how it led to his intense desire for control.
* EmpoweredBadassNormal: [[spoiler:Grey]] becomes one later in the story thanks to the Enchantress, to everyone else's annoyance and horror.
* GoodGirlsAvoidAbortion: [[spoiler:Natasha is on the fence as to whether or not to go through with her pregnancy, mainly because she's still haunted by her first child, who was stillborn. After she finds out just how miraculous it was that she or Hawkeye managed to conceive a child and after coming to terms with what happened in her past, she decides to go through with it.]]
* GroinAttack: Happens to Christian so often it ends up being a RunningGag.
* HappilyMarried: Pepper and Tony eventually, as well as [[spoiler:Rogue and Gambit]].
* IShouldWriteABookAboutThis: The end of the fanfiction reveals that [[spoiler:Pyro not only writes hilariously silly harlequin bodice-rippers under the pseudonym "Leslie James", but he plans to use the events of the fic as a basis for a new novel. The pen name he plans to write it under? E.L. James.]]
* ItHasBeenAnHonor: Clint and Remy give this to each other, [[spoiler:when they believe they're going to die in a lab explosion.]]
* LoveMartyr: Ana, for Christian. To the point where she believes him forcing her to hide out of sight and not come near him is, as he said, being done entirely or her own safety and refuses to hear a word said against him.
* TheMentallyDisturbed: Mostly played for laughs but Christian in all his disturbing glory.
* PregnantBadass: [[spoiler:Natasha]]
* PunchClockVillain: St. John Allerdyce. [[spoiler:Pepper]] realizes this gives the heroes a relatively painless way to take him out of the fight.
* RealityEnsues: In a sense. The entire point of the fanfiction was how things from the ''Literature/FiftyShadesOfGrey'' series would have gone if an actual independent woman was in Ana's place.
** Ana's brief appearance shows how trying to date an insane man like Grey ''really'' would go - he decides to ditch her when she becomes too aggressive for his tastes and he pushes her out of sight, under the pretense that he's sending her to art school for her own safety.
* RunningGag: As mentioned above, Christian's groin has a remarkable tendency to attract knees, but there's also the way that the [[PurpleProse list of food-based description]] for [[WallofText Christian's voice grows every time his voice is described.]]
* StalkingIsLove: [[SubvertedTrope According to Christian, but to everyone else?]] Nope.
* SlutShaming: Ana engages in this, accusing ''Pepper'' of being the one at fault for Christian pursuing her, when he stalked her and insisted they were destined just because she tripped from a broken heel.
--> "Are you serious?" Rogue asked, voice laced with disbelief. "You're blaming an attempted-rape victim for her attacker's actions? Bless your heart, but you're dumber than a two-headed horse with both heads stuck in a barbed wire fence."
* TakeThat: To ''Literature/FiftyShadesOfGrey'' as a whole. A good many situations are replicated (tripping in front of Christian, attending a charity event with his family, being taken to a hotel room by him while incredibly drunk, etc.), and have the female characters in those positions point out exactly how creepy and/or illegal those actions are.
** There's one part where a few characters discuss bodice rippers. One dismisses the genre as endorsing NotIfTheyEnjoyedItRationalisation. Another argues that ''some'' can be SoBadItsGood, but ones by harlequin writer "Leslie James" are all considered terrible. [[spoiler:The fic reveals at the end that the same person who writes behind the "Leslie James" pen name intends to write a book based off of the fic's events, under the pen name "E.L. James"]].
* TheCameo: Besides the main heroes, there are cameos from the X-men, Scarlet Witch, and Squirrel Girl.
** On the ''Fifty Shades'' side of things, one story has Grey's family make a brief appearance as Jane Foster is forced to accompany him on a date to one of their charity events. Another has Ana show up [[spoiler:as an accomplice to breaking Grey out of prison]]. It's made painfully obvious that not only is she hidden away by her former lover, but she's too devoted to him to realize how blatantly obvious it is that she's being used.
* TooDumbToFool: To an extent, Christian. The Avengers are stunned that such a spoiled idiot manages to continue to elude them, until they realize that he's essentially able to do so ''because'' he's a spoiled idiot, and their tactics are meant for tracking down criminal masterminds and evil geniuses.
* TooDumbToLive: Yes, Christian. Just [[spoiler:kidnap and threaten She-Hulk's assistant]]. That's certainly not going to end badly for you!
* {{Trigger}}: The protagonists eventually notice that women tripping in front of Christian triggers him to develop a deep obsession towards them and insist that they're in love.
* ViolentlyProtectiveGirlfriend: While technically not his girlfriend[[note]][[WhamEpisode Before chapter 28 anyway]][[/note]], Romanov goes ballistic when she realizes Barton is in danger.
* {{Yandere}}: Grey to his targets.