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[[quoteright:300:[[{{Spiderman}} http://static.tvtropes.org/pmwiki/pub/images/onemore1_1945.jpg]]]]
[[caption-width-right:300:[[WallBangers/OneMoreDay And it hurts in more ways than one, too.]]]]

->''"Peter and MJ didn't quit on their love, they sacrificed it to save a life, that to me is a pretty heroic story. But then, I'm an idiot."''
-->-- '''Creator/JoeQuesada''', in perfect agreement with his readers (at least with regards to the last part)

A "big storyline" (released in 2007) in the ''ComicBook/SpiderMan'' universe.

Due to Spider-Man revealing his secret identity at the urging of [[ComicBook/IronMan Tony Stark]] in ''ComicBook/CivilWar'', an attempt is made by the Kingpin on Spider-Man's life. Peter, naturally, escapes it due to his [[SpiderSense spider-senses]], but dear old Aunt May takes the bullet. Unfortunately, this is a fatal wound, and May is going to die. After putting back on his old black costume and going on a DarkerAndEdgier RoaringRampageOfRevenge against the Kingpin, he webswings up and down the Franchise/MarvelUniverse trying to find someone, anyone, who can help him. Unfortunately, [[ReedRichardsIsUseless none of the super-scientists, magicians (one of whom is also a surgeon), mutants, or techno-wizards can fix a single bullet wound]].[[note]]This is explained in story by it being her fate to die at this point in time and being brain dead.[[/note]]

Then Mephisto shows up, to offer Peter and Mary Jane a DealWithTheDevil. He'll heal May, but rather than take a soul in exchange, he'll take their marriage. Yes, that's right -- the entire purpose of this arc was to CosmicRetcon the Spidey marriage. Ostensibly, it's because "the suffering of two souls in love, forever denied each other, is far better than the soul of one who has given it up nobly in sacrifice of another." Peter accepts, and...

The series picks up after a TimeSkip, under the banner ''Brand New Day''. Not only is Aunt May alive and well, but Harry Osborn is alive and well, too. Peter and Mary Jane - never married in this reality but merely living together - have broken up and are hardly speaking to one another. But MJ may have launched her own superheroing career as "Jackpot". Peter's web-shooters are no longer organic, and Spider-Man's identity is a secret again, and he's a single swinger living with his aunt. Or, to put it another way, [[BasementDweller a thirty-year-old man living in his (foster) mother's basement]].

The [[ComicStrip/SpiderMan newspaper strip version]] of Spider-Man, which had originally followed the comics in dissolving Peter and MJ's marriage (sans Mephisto; it just told stories that happened before the marriage) has bowed to the pressure of thousands of letters of complaint and retconned the "unmarriage" again. [[http://robot6.comicbookresources.com/2009/05/fan-letters-save-spider-mans-marriage-in-the-comic-strip/ See the article.]] Though according to Roy Thomas, who has ghostwritten the comic strip in the past, the story without the marriage was planned to be temporary all along.

This was followed up in 2010 with ''ComicBook/OneMomentInTime'' (or "[[FunWithAcronyms OMIT]]"), intended to clean up dangling plot threads as Peter and Mary Jane finally get talking again and start going over the history of their relationship. Its reception was pretty much the same ''One More Day'' had.

This was followed up ''again'' in Dan Slott's run of the comic, which put the ShipTease angle back between Mary Jane and Peter starting with ''ComicBook/SpiderIsland''... Until [[ComicBook/SuperiorSpiderMan Doctor Octopus hijacked Peter's body]], which screwed up their relationship, even after Peter took control of his body once again.

However, things aren't necessarily set in stone for the couple. The ''ComicBook/SecretWars2015'' event has a follow-up to this story called ''Spider-Man: Renew Your Vows''. The story features an alternate version of Peter Parker who remained married to Mary Jane, and tells the story of how they raise their daughter, Annie. This version of the character first appeared in the ''ComicBook/SpiderVerse'', however fleetingly. Given that each series in ''Secret Wars'' was stated to have an impact on the "All-New Marvel" line, many were hoping that the two will end up together again in the new continuity. For now, ''Renew Your Vows'' just seems like more ShipTease.
!!This story arc provides examples of:
* AbortedArc: We never did find out who that woman was Mephisto hinted at.
* AnchoredShip: The official status of Peter/MJ between ''One More Day'' and ''One Moment In Time''.
* TheBadGuyWins: Any way you try to spin this Joe, it still ends with Satan getting exactly what he wants without conditions or consequences.
* BroadStrokes: The events of the marriage years mostly still happened as originally shown; Peter and MJ were still living and sleeping together - they just never made it official. Which means yes, all Mephisto did was erase some wedding photos and a legal document.
* BrokenAesop: Breaks the [[ComesGreatResponsibility aesop]] that Franchise/SpiderMan is supposed to embody, as instead of taking responsibility for his actions, he dodges it by making a DealWithTheDevil against the wishes of its main beneficiary and guilt-tripping his own wife into going along with it. However, in ''ComicBook/OneMomentInTime'' (popularly known as [[FunWithAcronyms OMIT]]), this is retconned so that ''Mary Jane'' is the one to have made the deal. WordOfGod is that the aesop is meant to be "It's heroic to do whatever you can to save a life" but to readers, rewriting history just to save the life of a single person who, in addition to wanting to die anyways and was telling you to let go, let's face it, is likely to die of old age in a few years is simply asinine. The message then becomes "the ends justify the means", and that instead of learning how to cope with loss and move on with your life, you should hold on to what you have and never let go, even if the cost of doing so might be too high; for you and for others.
** What makes this even worse is that the "whatever you can to save a life" wasn't selling their souls, give any kind of favor to the demon, or even their love, but he wanted them to give up their marriage. So Peter Parker had to face the consequences of... a chance to get back with Black Cat.
*** WordOfGod states that the reason he had the marriage nullified through deal with Mephisto, instead of divorce, is that he felt that having Peter and Mary Jane get divorced would send a bad message to the kids. So... selling your soul to the Devil is a '''better''' moral choice than getting a divorce?
*** The best part of that? Years before ''One More Day'' Peter and Mary Jane had split up for some time, and a divorce was likely.
** Another reason for why the marriage was undone was because it was felt that making Peter an unmarried man would free up the character, and allow them to explore new possibilities with him as a single man. Carlie Cooper, however, is introduced at the end of the story ''immediately'' following the introduction of the new continuity in the aftermath of the deal being made, and it couldn't have been more obvious that she was Peter's new LoveInterest than if they'd literally labeled her as such in the text with giant lettering and neon colours.
* CanonDiscontinuity: Despite his explicit claims that it would not be magically undone, Quesada chickened out and [[http://www.comicbookresources.com/?page=article&id=28545 had it magically undone]]. The deal at least.
-->'''Creator/JoeQuesada:''' By agreeing to MJs terms, Mephisto has actually wiped himself from ever having been involved in their lives. In fact, looking at it linearly, those four issues never happened. Along with the wedding, "One More Day" and Mephisto have been wiped out of continuity and Peter and MJ never made that bargain.
* ComesGreatResponsibility: Averted. See BrokenAesop.
* DealWithTheDevil: Well, ''A'' Devil, but yeah.
* DeathByCameo: Only by subtext, but still. After the Parkers take the deal, Mephisto taunts them with a girl he says is the child they'll never have now. Now, there are a lot of reasons that this can't be the baby miscarried back in ''ComicBook/TheCloneSaga'' (and WordOfGod [[http://www.comicbookresources.com/?page=article&id=28585 asserts]] it's just an image of how MJ pictured their theoretical kid), but ''ComicBook/SpiderGirl'' fans were nonetheless not amused.
* DidYouJustScamCthulhu: Quesada's current explanation is that Mary Jane ''did'' without even trying; somehow by her ExactWords the nonexistence of the marriage means Mephisto has nothing to steal and he won't meddle with the Parkers again. [[FridgeLogic We don't quite get it either.]]
* DoingInTheWizard: At first, all the ''Brand New Day'' changes appeared to have happened ForWantOfANail because of the marriage thing. But as they were explained one by one, it became clear that they all happened during a TimeSkip and Mephisto's effects on previous canon were minor.
%% ExecutiveMeddling goes on the Trivia tab.
* FantasticAesop: Quesada didn't want to imply a "divorce is okay" aesop, but was just fine with implying the impossible "dealing with the devil is okay".
** And in the sequel, MJ states marriage without children is just a piece of paper. So, divorce (unless done by Satan) isn't okay but marriage itself is no big deal.
*** Especially silly given that Mephisto is a JerkassGenie ''par excellence'' and he managed to screw people over for decades of comic book history because of how ''he'' interpreted their wishes, not how his victims did. What Mary-Jane thinks marriage is shouldn't matter in the slightest, and if it ''did'' screw him out of a deal then, [[{{Satan}} since he is Mephisto]], he would find a way to enact horrible revenge on her for it, probably via RevengeByProxy. So they'd be screwed either way.
* ForgotAboutHisPowers: In a mundane example (for many fantastic ones, see ReedRichardsIsUseless), the story forgets Doctor Strange is an actual medical doctor (before becoming Sorcerer Supreme, he was a neurosurgeon). Not that it would matter; since the gunshot was hand-waved as incurable through any amount of magic or skill. [[ComicBook/OneMomentInTime Until Peter]] [[ArtisticLicenseMedicine cured said wound by performing amateur CPR]] while May was flat-lining. Yes, that's their explanation.
* IdiotBall: Again, just about everyone who appears, exception being Aunt May.
* InSpiteOfANail: One would think that the nonexistence of the marriage would at least have changed the outcome some of the plotlines in the Spider-Man continuity. Whatever impact that was, however, doesn't seem to have been very drastic. This has less to do with the marriage not having an impact on the continuity, but the creators merely not wanting to explore the changes. It's much harder to rationalize that the marriage didn't have an impact if you can just say that the stories wouldn't have changed, and just leave it at that. Or just that the marriage was all Joe wanted to retcon.
* ItsAllAboutMe / ProtagonistCenteredMorality: Perhaps the TropeCodifier for ComicBooks. Peter acts like a) no one ever lost a loved one, and b) Aunt May had decades more years to live - and c) it's almost as if he wanted to dump Mary Jane to be a swinger[[note]]pun not intended[[/note]] then date Joe Quesada's daughter.
* KarmaHoudini: Mephisto has managed to avoid receiving any comeuppance from Spider-Man for his actions for ''years''.
* LaserGuidedAmnesia: At Peter's urging, Dr. Strange, Tony Stark, and Reed Richards somehow combine science and sorcery to erase everyone's knowledge of Spidey's identity (though people are aware that they once knew who Spider-Man was). Keep in mind, [[ReedRichardsIsUseless these are the same people who could do jack about a gunshot wound]].
* LoveCannotOvercome: Mary Jane breaks up with Peter, not because she can't handle being in danger for knowing Spider-Man, but because she can't handle putting other people who are close to her in danger because she knows Spider-Man.
* MindScrew: What with all the retcons and stuff getting 'clarified' it's starting to get very confusing. Most prominently, the situation listed under CanonDiscontinuity makes it so that the story itself probably can be completely ignored as having never happened... but it can't because it still has an impact somehow.
* MoralDissonance: According to Joe Q: it's okay to forget all about responsibility, save a woman who wants to die and be with her long-dead husband who she has missed, make a deal with the devil, oh and being married makes you boring.
** Just to elaborate. Peter makes a deal with ''[[{{Satan}} Mephisto]]''. You know, big demon guy? Makes deals with people and then screws them over (people that Peter has met and worked with and is therefore perfectly aware of the screwings over)? The deal in question? He wipes his and his wife's minds and [[RealityWarper alters their histories]], aborting their unborn baby in the process, just so his aunt who, even in terms of comic book aging is older than the Bill of Rights, can recover from a gunshot wound to live for a couple more years before finally kicking the bucket. And to add insult to injury, she only got shot in the first place because Peter revealed his true identity to the public, making it the exact scenario he has been harping about '''''for bloody years''''' as to why he specifically shouldn't take off his mask. In other words, Aunt May was shot because of Peter's mistake and he's unwilling to take responsibility for his actions.
** Reed Richards and Tony Stark apparently erasing Spider-Man's identity from the memories of everyone on the planet. Didn't they just fight a war with some of their former friends just to make sure that nobody could do that? And wasn't Spider-Man on the opposite side of that war?
* NewPowersAsThePlotDemands: Up until this story, Mephisto never had the power to alter reality. Since he does, it begs the question why he never bothered to use it for past villainy?
* OfficialCoupleOrdealSyndrome
* ReedRichardsIsUseless: FridgeLogic mixed with IdiotBall. So you mean to tell us that Reed Richards (and Tony Stark, and Hank Pym...) is somehow now unable to heal a gun wound? ''Really?'' Not just Richards, but ''every'' scientific mind and mystic in the Marvel universe is unable to heal Aunt May. Hell, not even Elixir of the ComicBook/NewXMen can help, and his sole power? ''Healing people''. And not ''just'' healing people -- [[GreenLanternRing it's controlling every cell in your body]]. '''From a distance.''' Elixir healed a guy after the dude's heart was ''torn out''. Something that, logically, should have been instantly fatal... May was just shot... By a bullet. That didn't kill her instantly. There is no reason such a wound should be beyond his power. Elixir could literally have revived May over the phone. Oh, but there's more, much more. Peter goes to Dr. Strange first... Dr. Strange who can literally make Gods, omnipotent beings from other universes like the Outer Gods, do his bidding by just '''saying so'''. Dr. Strange said he couldn't heal Aunt May. Dr. Strange, who can summon Gods and omnipotents at will, who is in personal direct contact with a pantheon of beings whose entire ''purpose'' is being nice guys and helping humans, could not heal a simple gunshot wound (also: He's a surgeon). There are no words to describe how hard someone has to '''try''' and fuck up this badly. And just to hammer the point home, some of those selfsame people that were useless when it came to gunshots were able to pull LaserGuidedAmnesia out of their rears in ''One Moment In Time''. And CPR manages to save Aunt May, even though between Peter's super strength should have crushed her, and CPR onto a person with an open or barely stitched wound would pump the blood out. Possibly [[JustifiedTrope justified]] by the fact that {{God}} appeared to Peter and told him to be with Aunt May as she passed on; it was simply her time to go, she had accepted this, and maybe, on some level deep down, ''they'' felt that. Somewhat HandWaved by explaining it was her time, or fate, to die at this point meaning not even time travel could prevent it. See YouCantFightFate.
* RelationshipResetButton: By virtue of ''a deal with a demon''.
* {{Retcon}}: Of course OMD is obviously a huge one, but OMIT applied a retcon to OMD. Remember how '''both''' Peter and Mary Jane had to agree with Mephisto's deal... O.M.I.T has gone out of its way to retcon it into Mary Jane making the deal despite Peter's objection.
* {{Retraux}}: In OMIT, the flashbacks to the time of the (canceled) wedding are drawn as similarly as possible to the original ''"The Wedding!"'' storyline.
* ShaggyDogStory: Thanks to ''ComicBook/OneMomentInTime'', the entire arc gets turned into this.
* ShipSinking: The whole point of the story was to break up Peter and M.J. in the eyes of the fans. It has failed miserably; people are less inclined to AbandonShipping than ever.
* ShipTease: Promos for ''One Moment In Time'' and afterward suggested that Peter and MJ would rekindle their relationship after being estranged since ''One More Day''. Given that the whole thing had become a touchy subject, fans felt that [[YankTheDogsChain their chains were getting yanked]] - and they were right. OMIT ended with Mary Jane and Peter becoming friends again, but she told Peter to get over her or else he'll miss someone else that's perfect for him. (One suspects RealitySubtext here; Quesada telling the same to readers. No dice, Joe.)
* SilentWhisper: Mary Jane agrees to Mephisto's terms for the DealWithTheDevil but quietly whispers something to him before the deal is finalized. We find out what it was she said three years later (real time) in OMIT.
* StressVomit: After Peter tells her about the DealWithTheDevil Mephisto offered them. Of course, since said deal involved [[CosmicRetcon wiping away their marriage from existence]] and [[MagicalAbortion any future kids are presumably a part of that]], a [[EpilepticTree common fan theory]] has that MJ may have vomited for a [[MorningSickness different reason]].
* SuperheroesStaySingle: No matter what!
* SuperLoser: Enforcing the "loser" part.
* SupermanStaysOutOfGotham: Double subverted; Spidey reaches out to a long list of super-friends (including [[ComicBook/{{X-Men}} a group]] with a [[HealingHands healer]] who rebuilt a guy's heart from nothing after it got torn out by a Satanic sorcerer--[[{{Irony}} no relation]]) only to come up empty: see ReedRichardsIsUseless up above.
* TitleDrop: Several times.
* TooHappyToLive: The Parkers - we can't have them HappilyMarried! Then where would the {{love triangle}}s come from?
* TrapIsTheOnlyOption: It's a railroad.
* TrueLoveIsBoring: See above.
* VoodooShark: With OMIT done, [[http://www.comicbookresources.com/?page=article&id=28611 Quesada claims]] that ''One More Day'' was retconned out of continuity and Mephisto never made a deal with the Parkers - so he never saved Aunt May; she got better thanks to Peter's love and determination.
* WhatTheHellHero: Peter's future daughter calls him out on his behavior during the entire arc, telling him how he's been acting like a selfish prick who can't take responsibility for his own actions. It's a pity that Peter doesn't actually listen to her.
* AWizardDidIt: Quesada infamously responded to objections about how the magical retcon works with "It's magic! We don't have to explain it!"
** ''ComicBook/OneMomentInTime'' eventually explains / retcons what actually happened- Mephisto made it so that they were never married, and Doctor Strange wiped the memory of everyone on Earth so that nobody knows Peter is Spider-Man, not even guys like Venom or the Green Goblin who knew who his SecretIdentity before he revealed to the world in ''Civil War''. Aunt May survived because Peter [[AssPull figured out a way to save her on his own]] (which WordOfGod states would have happened even ''without'' the Mephisto deal, so Mephisto didn't even give them anything). And random ''ComicBook/BrandNewDay'' stuff like Harry Osborn now being alive has been explained as DeathFakedForYou- ie. much like Aunt May, he survived without interference from Mephisto, and was NotQuiteDead the whole canon time. Mephisto rewriting history also means that [[TimeyWimeyBall they never made a deal with Mephisto in the first place.]] About the only effect of his deal, then, is that Peter and Mary-Jane were never married- as in, they ''lived together'' and everything in Spidey's history happened exactly as it always did; they just chose not to make their love "official" by getting hitched. And for some reason they broke up off-panel after the events of this story.
** There wasn't even that level of explanation for Peter's loss of organic webbing. It just went away because the web shooters were iconic.
* YouCantFightFate: Set up as a plot point and then averted anyway. Aunt May was DeaderThanDead and ''nothing'' (a very inclusive word in the Marvel Universe) would ever succeed, no matter what! Except Mephisto.
* YoungerAndHipper: The objective behind the whole story was to make Peter fit this trope again.
%%* YoYoPlotPoint