History Main / TrailersAlwaysSpoil

** ''WesternAnimation/{{Sing2}}'' is even worse about it. The only thing that the trailers DON'T spoil is that [[spoiler:the wolf boss is even more of a bad guy than he seems.]] And that's about it.

** ''WesternAnimation/{{Sing2}}'' is even worse about it. The only thing that the trailers DON'T spoil is that [[spoiler:the wolf boss is even more of a bad guy than he seems.}} And that's about it.

* A few weeks before ''ComicBook/ForeverEvil'' kicked off, DC announced that ''ComicBook/TrinityWar'' would see the Crime Syndicate of Earth 3 removing the Justice Leagues from the picture & taking over the Earth, with ComicBook/LexLuthor's alliance of villains fighting back.

* New Broadway shows often fall into this when performing songs during televised events, such as Series/{{Today}} or the UsefulNotes/MacysThanksgivingDayParade. Naturally, they'll choose to show off with a big or emotional production number, which may be very late in the show or even the finale. One example: ''The Prom'' is about a group of Broadway stars rallying for a high school lesbian couple to attend their prom. The number they usually perform for sneak peeks? The finale where [[spoiler:the stars put together an inclusive prom for the school, where the girls proudly dance and have TheBigDamnKiss.]]

* The UK trailer for ''[[WesternAnimation/ThomasAndFriendsAllEnginesGo Thomas and Friends: Race for the Sodor Cup]]'' spoiled the fact that [[spoiler: Thomas and Kana won the Sodor Cup]].

** Crunchyroll's ads for Volume 4 blatantly spoiler the villain that was revealed ''right'' at the end of the Volume 3 finale. It also spoilers that Ruby, Jaune, Nora, and Ren are traveling together.

* WebVideo/GloveAndBoots did a similar parody in “Please Stop Giving Everything Away, Hollywood!”, by showing what a modern trailer for ''Film/TheEmpireStrikesBack'' would look like. Said trailer is essentially just an extended plot summary of the film that ends by spoiling that Han gets rescued in the installment.

** ''WesternAnimation/ShrekTheThird'''s merchandise spoiled [[spoiler:the birth of the Shreklings (Shrek and Fiona's children),]] as well as [[spoiler:the [[DamselInDistress Distressed Damsel]] [[PrettyPrincessPowerhouse princesses]] going ActionGirl.]] Some of the trailers showed the princess' action sequence ''in its entirety''.

* ''ComicBook/HeroesReborn'' was advertised during ''ComicBook/{{Onslaught}}'', revealing well before the ''Onslaught: Marvel Universe'' one-shot that concluded the story that ComicBook/CaptainAmerica, ComicBook/IronMan, ComicBook/TheMightyThor, [[ComicBook/IncredibleHulk the Bruce Banner]] [[LiteralSplitPersonality personality]], [[ComicBook/AntMan Giant-Man]], ComicBook/TheWasp, ComicBook/{{Hawkeye}}, the ComicBook/ScarletWitch, ComicBook/TheVision, ComicBook/TheFalcon, the ComicBook/BlackPanther, the ComicBook/SubMariner, Crystal of ComicBook/TheInhumans, the Franchise/FantasticFour, and ComicBook/DoctorDoom would ([[DethIsCheap seemingly]]) fall in battle.

* ''ComicBook/DCYearOfTheVillain''[='=]s "Who Are the Infected?" promo [[https://www.dccomics.com/blog/2019/07/08/year-of-the-villain-who-are-the-infected revealed that]] ComicBook/{{Shazam}} was among them. However, [[spoiler:the identities has be decoded by noticing who ''besides'' Shazam is rubbing their neck, jaws, or even just has their hands up to their face: ComicBook/{{Hawkman}}, [[ComicBook/WonderGirl Troia]], ComicBook/BlueBeetle, ComicBook/{{Supergirl}}, and Commissioner Gordon.]]

* ''ComicBook/HeroesReborn'' was advertised during ''ComicBook/{{Onslaught}}'', revealing well before the ''Onslaught: Marvel Universe'' one-shot that concluded the story that ComicBook/CaptainAmerica, ComicBook/IronMan, ComicBook/TheMightyThor, [[ComicBook/IncredibleHulk the Bruce Banner]] [[LiteralSplitPersonality personality]], [[ComicBook/AntMan Giant-Man]], ComicBook/TheWasp, ComicBook/{{Hawkeye}}, the ComicBook/ScarletWitch, ComicBook/TheVision, ComicBook/TheFalcon, the ComicBook/BlackPanther, the ComicBook/SubMariner, Crystal of ComicBook/TheInhumans, the Franchise/FantasticFour, and ComicBook/DoctorDoom would ([[ComicBookDeath seemingly]]) fall in battle.

* ''ComicBook/HeroesReborn'' was advertised during ''ComicBook/{{Onslaught}}'', revealing well before the ''Onslaught: Marvel Universe'' one-shot that concluded the story that ComicBook/CaptainAmerica, ComicBook/IronMan, ComicBook/TheMightyThor, [[ComicBook/IncredibleHulk the Bruce Banner]] [[LiteralSplitPersonality personality]], [[ComicBook/AntMan Giant-Man]], ComicBook/TheWasp, ComicBook/{{Hawkeye}}, the ComicBook/ScarletWitch, ComicBook/TheVision, ComicBook/TheFalcon, the ComicBook/BlackPanther, Crystal of ComicBook/TheInhumans, the Franchise/FantasticFour, and ComicBook/DoctorDoom would ([[ComicBookDeath seemingly]]) fall in battle.

* In the fic [[http://www.fimfiction.net/story/71340/mvp MVP]], the accompanying image outright spoils its punchline (the identity of a character).

* Parodied by Website/CollegeHumor in the hypothetical "[[http://www.collegehumor.com/video/6471804/if-movie-trailers-ruined-endings If Movie Trailers Ruined Endings]]", where the trailer guy goes out of his way to spoil the endings and plot twists. Warning: spoilers for ''Film/FightClub'', ''Film/TheUsualSuspects'', and ''Film/ReservoirDogs''. Also includes references to LukeIAmYourFather and AllThereIsToKnowAboutTheCryingGame.

-->-- '''WebVideo/TheNostalgiaCritic''''s review of ''Film/PearlHarbor''.

* ''ComicBook/HeroesReborn'' was advertised during ''ComicBook/{{Onslaught}}'', revealing well before the ''Onslaught: Marvel Universe'' one-shot that concluded the story that ComicBook/CaptainAmerica, Franchise/IronMan, ComicBook/TheMightyThor, [[ComicBook/IncredibleHulk the Bruce Banner]] [[LiteralSplitPersonality personality]], [[ComicBook/AntMan Giant-Man]], ComicBook/TheWasp, ComicBook/{{Hawkeye}}, the ComicBook/ScarletWitch, ComicBook/TheVision, ComicBook/TheFalcon, the ComicBook/BlackPanther, Crystal of ComicBook/TheInhumans, the Franchise/FantasticFour, and ComicBook/DoctorDoom would ([[ComicBookDeath seemingly]]) fall in battle.

Compare SpoilerOpening. See also LateArrivalSpoiler, SpoiledByTheMerchandise, SpoilerCover, and SpoilerTitle (somtimes it's TheNamesake).

* The trailers for the US release of ''The Adventures of Panda Warrior'' spoils the ending by showing Patrick fighting the villain. Though, to be honest given the quality of the film, they probably wanted you to know how it ends to prevent you from watching it.

* The second trailer for ''[[WesternAnimation/PostmanPat Postman Pat: the Movie]]'' spoiled [[spoiler: Wilf's redemption]].

* Marvel tried to keep the plot of the infamous ''ComicBook/OneMoreDay'' under wraps, but an interview with J.Michael Strazynski revealed exactly what would happen, who would be involved, and what the outcome would be. Despite this Marvel ran a promotional campaign for the story which gave readers a multitude of options as to who could help Spider-Man in his darkest hour, but thanks to the JMS interview, everyone knew it was Mephisto, they also knew the outcome resulted in the retconning of the Spider-Marraige in the 616 continuity.

[[folder:Fanfiction]]
* The summary of FanFic/ThirtyHs is basically a summary of the events of the first few chapters.

* In the ''WesternAnimation/TotalDrama'' story, ''[[Fanfic/LegacyTotalDrama Legacy]]'', the brief Introduction suggests pretty strongly that the story's "{{for want of a nail}}" premise will end badly for a certain character. Sure enough, it does.