A story or series of stories have established a core group of heroes, villains, and a supporting cast. In order to add more depth to one or more of these things, the creator(s) put(s) out fully-developed back stories and prequels, or even interquels. While such efforts may produce many great things, they also doom characters and plots to inevitable failure or success. Why? Because the first story or stories established de facto canon.
Does the prequel involve a dastardly plot to kill one of the heroes of the original story? Too bad for the one doing the plotting — the readers already know that character will escape. Does the back story have a villain from the original story facing certain death in the face of failure? Great for him, he gets to stick around to at least make an appearance later on in the original.
When it comes to prequels and back stories, most readers familiar with the original plot will already know what the outcome will be. They are not so much tempted to participate in the story to see how it ends, but how it gets there. And as the Ancient Greeks discovered, if the audience already knows the ending, there is a huge potential for Dramatic Irony.
If the prequel or back story involves a character who had hitherto not been mentioned and this character is killed in the course of the prequel or back story, it is usually not really this trope at work, as in most cases it would possible to account for the character not having been mentioned in the interim in other ways. See the Comic Books folder for examples.
A subtrope of Foregone Conclusion and Anthropic Principle. Compare Death by Origin Story. Related to You Can't Thwart Stage One, which relates to prequel plots instead of characters. Contrast Plot Armor and Saved by Canon. Unrelated, despite similar-sounding names, to Doomed Protagonist. Different from Death by Adaptation.
This trope is not about someone who met his or her demise by cannon (regular or otherwise), you want There Is No Kill Like Overkill for that.
Needless to say, this page is loaded with unmarked spoilers.
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Anime & Manga
Any of the GundamInterquel or Sidestory manga and games are doomed to suffer from this. Because the continuity has been set in stone for thirty-some years, it's a Foregone Conclusion that, for example, Zeon will lose the One Year War in Mobile Suit Gundam MSIGLOO, or that the Titans will form in Gundam 0083, and that the major characters in whatever story will either die or fade into obscurity and whatever superweapon the enemy have will be destroyed.
Sometimes this gets toyed with by having the characters (typically from video games) survive and go on to participate in later conflicts. For example, Jack Bayard from Gundam the Ride: A Baoa Qu becomes an AEUG pilot in the IMAX movie Green Divers and Mobile Suit Gundam École Du Ciel. Yuu Kajima from Blue Destiny and Robin Bradshaw and Kurt Roswell from Dual Stars of Carnage fight for their respective sides in Char's Counterattack.
Fushigi Yuugi Genbu Kaiden. The story of the first girl who was sucked into the book to become the priestess. Though it's not over, it's stated in Fushigi Yuugi that her father killed her, presumably so that she wouldn't be consumed by Genbu after granting the third wish.
Though recent chapters are implying that Takiko really died of tuberculosis, since the legend dictates that the priestess will be consumed if she has a weak heart, which this prequel is telling us that she had anything but.
Considering the main Saiyuki stars the reincarnations of the Saiyuki Gaiden characters... yeah.
Also certain characters in the prequel Saiyuki Ibun which details how Houmei will become the Koumyou Sanzo. Who dies before the beginning of the series. We know in the Burial chapters, his friend Toudai (the future Gudai Sanzo) will die at the hands of his pupil. Their youkai friend Tenkai will hold the Maten sultra but will die and Koumyou will inherit the Maten sultra.
The Mai-Otome prequel Sifr features a whole cast of main characters (Lena, Sifr, Bruce) who you know, as part of the back story for the main series, will survive the current events but become corpsicles in 15 years.
It's almost impossible to spoil Axis Powers Hetalia because you know from history that, say, the Axis Powers lose and America won the Revolution. On the other hand, plot points relating specifically to character interactions aren't foregone conclusions.
Right Of Left, anyone who doesn't die in the OVA dies in the first episode
Legends of the Dark King, a prequel spinoff to Fist of the North Star, centers around Raoh's quest to achieve supremacy as the conqueror of the post-apocalyptic world. One of Raoh's rivals in the spinoff is the Holy Emperor of Nanto himself, Souther. Since Souther ends up being defeated by Kenshiro, and not Raoh, in the original manga and anime, Raoh does not get to defeat Souther in his own series, as their battle ends in a stalemate instead.
Dragon Ball Z gave us two TV specials, Bardock: Father of Goku and History of Trunks. Anyone who knows the storyline of the original manga will know these specials do not have happy endings. Although, they do fall on the bittersweet side since they do end with a note of hope.
The first episode appearance of Beyond The Grave is no spoiler to anyone who played Gungrave. But the show isn't about how Brandon Heat is doomed — it's about how his friendship is doomed, his romance, his career and his relationship with his father figure boss are all doomed.
Ga-Rei Zero- does this immediately and extremely, establishing a full cast of characters not present in the original manga, then killing them all off in the first episode. Then it rewinds back in time to tell the prequel story, leaving no doubts as to who is and isn't Doomed.
Season 2 of Railgun also shows the horrificness of the project, and Mikoto's vain attempts to stop it. After seeing this, her rant to Touma in the Sister's arc of the first season of A Certain Magical Index becomes much more powerful.
Fate/Zero: It's a safe assumption any character not Plot Armored by appearance in Fate/stay night is as good as dead; this is especially certain with any Servant other than Saber or Gilgamesh. This makes Waver Velvet's aversionso surprising, as he seems the least likely to have come out of the War alive.
The Big Finish Doctor Who audio Spare Parts. The Fifth Doctor tries to mellow out the Cyberman threat before it rises, as we've already seen the Cybermen attack Earth on several occasions.
There was an Emma Frost solo series that took place prior to the character's turn to villainy, and one of the supporting characters was her boyfriend Troy. Since Troy was never seen in any of the prior X-Men books, nobody was surprised when the poor lad caught a bullet to the head. Indeed, this served as a Start of Darkness moment for Emma. However, this is not a true example, since the story could also have evolved with Emma breaking up with Troy and then forgetting about him. This is exactly what happened when Uncanny X-Men #161 introduced Charles Xavier's former lover Gabrielle Haller in a story where Xavier remembers things that happened about two decades earlier. A couple of years later Chris Claremont not only showed that Gaby Haller was still alive and well, but that she had given birth to Xavier's son David aka Legion. On the other hand, another character introduced in the same story, Xavier's friend Daniel Shomron, who was still alive at the end of the flashback, was then revealed to have been killed in a terrorist attack in the course of the intervening years.
Another example that shows that you can't generally apply this trope to new characters is the first appearance of the Shadow King (Amahl Farouk) in Uncanny X-Men #117. In a flashback set at a time before Storm's puberty, Charles Xavier fights against the evil Amahl Farouk and in the end kills him. However, years later it was revealed that Farouk had survived in discorporated form as the Shadow King and would return again and again to attack his old nemesis and his friends.
There is a series called Testament about a young man named Max. He is a likable Jewish child in Nazi Germany. Since it is published by Marvel, we all know that his entire family will be killed in concentration camps, and his mutant powers will later manifest, and he will become Magneto, always caught in the Heel-Face Revolving Door because although sometimes he'd like to live in peaceful coexistence with humans, he doesn't think it can happen.
Before Mr. Magnus had Magneto's testament, a certain Latvarian Doctor had the title "Books of Doom" which told his story from the start. Whilst most of the story follows the general history of Victor von Doom with some extra padding on the sides which hadn't been explored, and some implications are made that the machine he built didn't even malfunction, it was... ahem, "the Demon" who blew it up, the part where he takes over Latvaria by forceful military conquest totally goes against the way he explained it in Fantastic Four Annual #2, where he wined and dined Sue Storm, the Invisible Girl. Given that the story is told by a Doombot who thinks he's the real thing, however, Unreliable Narrator may apply.
Marvel seems to enjoy this trope. Case in point: Born. Frank Castle has a family in Born.
There have been a number of stories about Jor-El and Lara, the parents of Superman, some of which chronicle their attempts to save Krypton from its inevitable destruction. Unfortunately, anyone with a passing knowledge of Superman knows their efforts will all be for nothing in the end, as Krypton is destroyed and their son ends up being sent to Earth.
Played with in the Green Lantern arc, "Emerald Knights", in which then-current GL Kyle Rayner meets a younger Hal Jordan. When Parallax shows up and confronts the younger Hal Jordan, Kyle realizes that the younger Hal has to become Parallax in order for The Final Night to happen.
In the final arc of Peter David's Supergirl, called "Many Happy Returns", Hal Jordan (then known as The Spectre) informs the Pre-Crisis Supergirl that she has to return to her own timeline for the events of Crisis on Infinite Earths to happen (namely, her Heroic Sacrifice). Then-current Supergirl, Linda Danvers, tried to switch places with her Pre-Crisis counterpart, but it failed.
Both Star Wars and Star Trek had monthly comics published between movies. No matter what happened in the comics, all characters end up pretty much where they were at the end of the previous film and/or where they need to be for the start of the next. The Star Wars cast were never going to rescue Han Solo between The Empire Strikes Back and Return of the Jedi. Likewise the comics had Spock completely restored between III & IV. A storyline was created to wipe his mind and make the main cast fugitives and back on Vulcan.
Kurt Busiek's Untold Tales of Spider-Man series takes place during the first few years of original Amazing Spider-Man comic. Thus any characters and status quo from comic has to be kept during Untold Tales. For example, in one issue where Peter reveals that he's the one who takes Spider-Man photos for the Daily Bugle, an impressed Flash Thompson actually drops his dislike of Peter and actually wants to become friends with him. But since Peter and Flash didn't really become friends until after high school, you know this new relationship between the two isn't going to last long, and indeed by the end of the issue let's just say Flash goes back to disliking Peter.
A saying in the Hong Kong comic The Ravages Of Time goes, "Those who are fated to die, will die. Those who are fated to live, will live." That is to say, every character is going to die at the time that they did in the source material, even if the circumstances vary quite widely, while at least two original characters were created/centered around specific story arcs and thus were doomed to go when that arc was upnote Yuan Fang would not survive the Battle of Guandu, since he was created to make it more cooler/complex than the version in Romance of the Three Kingdoms, while Xiao Meng — who debuted as the real identity of the fictional Diaochan — would not survive the final downfall of Lu Bu.
Les Legendaires Origines being a prequel to the main series, this is to be expected; So, Danael had an Childhood friend secretly in love with him who never got any mention in the main series where he already is in a relationship with Jadina? Yep, she most likely won't make it until the end of the book. The Starscream plans to overthrow the Big Bad who we already know made it in the main series? Yeah, not gonna work. Even bigger case with the arcs that already got a mention in the main series (we all know very well Jadina will not marry Halan).
Before Watchmen: Minutemen focuses heavily on the badass lesbian vigilante Silhouette - who is long dead in the original Watchmen. The miniseries does throw a nifty curveball regarding the supposedly disappeared Hooded Justice, though: turns out that Hollis Mason accidentally killed Justice, having been led by the Comedian into believing that Justice was the "Friend of the Children" serial killer. All that speculating that Mason does in his book about Justice's disappearance was his way of covering up his actions.
Happens a lot in fan works due to writers' opportunity to focus on side characters or off screen adventures.
Especially notable is the Harry Potter fics, because so many side characters are killed off screen - including fan favorites like Lupin.
Wormtail should also be mentioned. If you write a story set during the Marauders' Era, you have to portray Wormtail being BFFs with the others when everyone reading it knows he will grow up to join Lord Voldemort and betray everyone. This has led to the much reviled cliché of portraying Marauders' Era Wormtail as an Obviously EvilDevil in Plain Sight.
Similarly, any OCs paired with Sirius or Remus in Marauder-era fics usually end up dead by the end of the story in order to explain why they don't show up in canon.
Subverted in Renegade, where Nihlus survives due to timely intervention on Shepard's part; thanks to GDI's jetpack technology, she's able to get to him faster and shoot Saren before he can kill Nihlus.
Mass Effect Interregnum details what Garrus and his vigilante group did between Shepard's death and resurrection in Mass Effect 2. As we know from the game, they're betrayed by one of their own, and he and Garrus are the only survivors.
Averted then Double-Subverted in Protoculture Effect (This happens a lot in Mass Effect crossovers, doesn't it?). Jenkins survives, as does another minor Posthumous Character, due to the toughness of Cyclones. Then the second character ends up dying in a later mission.
So, so many fics teaming up the original G1 Transformers and the characters of Beast Wars prior to the reveal at the end of Season Two. Many a fic writers had to scramble around and revise or retcon stories involving interaction, fights and especially romances between the two factions, when it was revealed the Beast Wars characters were merely a quarter of the size of their G1 counterparts. A fic that had Arcee cooing over Cheetor after it's revealed he only comes to her knee is especially Hilarious in Hindsight.
Field Of Innocence centers around Iroh's son, Lu Ten. You know he's not going to make it home from war, or be able to protect his cousins from Ozai.
The Expanded Universe includes several Jedi that survived, but none of them were named (or even appeared) in the films.
And any match against Vader or the Empire in comics usually ends in defeat unless you are Boba Fett. There was a reason why the Battle Of Yavin was seen as a major victory in the films. The Star Wars video games however mostly avert this trope.
At least two Jedi who are mentioned and/or appear in the prequel trilogy but do not appear in the original trilogy do survive Order 66. Quinlan Voss (mentioned in the movies but not shown on screen) is shown to have survived in the comics. Shak-Ti is shown to have survived in a video game (though she doesn't necessarily survive the game).
Of course that's all rendered moot by Yoda's statement in Return of the Jedi that by that time, Luke was the last living Jedi in the galaxy.
Aversion: the 2009 Star Trek movie consciously avoids this. The writers of the film have explained in interviews that one reason for setting it (and subsequent?) movies in an Alternate Universe is so that they were free to write whatever they want to, without having to fit any of it within the canon. Broadly speaking this means the stakes are higher, because things don't necessarily have to turn out the way they did before. The film then kills Kirk's dad on the day Kirk is born (turning Kirk into an angrier young man with an even more intense drive to prove himself and sending Starfleet on a more militaristic path), introduces a lot of technology before it should exist, and then puts an exclamation point on it by destroying the planet Vulcan. Yeah, that's new.
No matter if the war is won or lost, in Terminator Salvation, John Connor must send Kyle Reese back in time to protect Sarah Connor (and have sex with her so John is conceived), Skynet must send a T-800 back in time to kill her, John must send a reprogrammed T-800 back in time to protect his younger self, Skynet must send a T-1000 back in time to kill John's younger self, John must send another reprogrammed T-800 back in time to protect his past self, and Skynet must send a T-X Terminatrix to kill John's past self.
In Hannibal Rising, Hannibal Lecter has to go insane, and survive the movie. In Red Dragon, Hannibal has to stay in the asylum. (It's not really a prequel—the original book was written and published before The Silence of the Lambs—but most people see/read The Silence of the Lambs first so the trope pretty much applies.)
In X-Men Origins: Wolverine, Wolverine has to lose his memories and rename himself "Logan", Sabretooth has to distance himself from Wolverine to the point of giving him the silent treatment, William Stryker has to survive and so does Cyclops. Silver Fox has to either die or board a bus (since Wolverine doesn't have a girlfriend in the original movie).
In X-Men: First Class, Charles Xavier, Magneto, Mystique, Beast, and Moira MacTaggert have to survive, and Magneto and Mystique have to turn evil, leave the X-Men and create the Brotherhood of Mutants. Xavier also has to become wheelchair bound (although he's also walking in Wolverine and the flashback in X-Men 3).
In Along Came a Spider, Ben Cross has to survive.
At the end of the Alien vs. Predator movies, the Weyland-Yutani Company has to exist, and the public at large has to remain unaware of the existence of the Xenomorphs.
The third Underworld movie is mostly all the stuff they spent most of the first movie finding out had happened.
Except Victor's daughter looks different than how Lucian remembers her (she's blonde in his memories and brunette in the prequel).
Give the guy a break it's been roughly 600-700 years.
In Killing Bono, the Bono assassination plot will not succeed, and Shook Up! will not become the most successful band of all time.
The Obi-Wan of The Fast and the Furious: Tokyo Drift, Han, is killed in a car explosion but reemerges during the following two prequel films, Fast & Furious and Fast Five. The trope finally gets invoked in the stinger ending of Fast & Furious 6. It does however cast completely new light on his death.
This also seems to apply to Giselle, who is Han's girlfriend in the prequels but nowhere to be found in Tokyo. She dies in Fast & Furious 6.
Death Race starts with the death of Frankenstein, the sport's biggest star, whose mantle is then reluctantly taken by Jason Statham's character. Two direct-to-DVD prequels show how Frankenstein rose to the top in the first place, though the Frank who died at the beginning of the first movie isn't the star from the other two.
The Thing (2011) depicts the events that went down in the Norwegian base. Anyone who's seen the John Carpenterfilm knows that there were no survivors when MacReady arrives. Furthermore, they'll also know that the attempts by the two surviving Norwegians to stop the Thing from escaping will fail due to the actions of Garry.
Possibly averted by Kate, depending on how you interpret the ending.
Seemed to be a major point with the Planet of the Apes franchise, though the final film, Battle For The Planet Of The Apes, was edited in its theatrical release to try and avoid it. The unedited DVD release makes it more clear that the film is setting up the "humans will be wild men, apes will rule and everything will explode.
The Peter Jackson film is a prequel, released after The Lord of the Rings. Anyone who's seen the three LOTR films beforehand, even if they haven't read the books, may catch on that Balin will be killed by orcs between scripts, as he's the one buried in the Moria crypt from Fellowship. The same goes for Ori and Óin.
Also, even if you have never seen The Lord of the Rings, it's pretty clear that Bilbo will survive the events in The Hobbit since the first film opens with his older self sitting down and writing/retelling the story of what happened.
Rather than being a case of the author writing himself into a corner, the issues are caused by the fact that Peter Jackson told the story out of order. The Hobbit isn't actually a prequel.
Prince Xizor plots to kill Darth Vader and Luke Skywalker during his first appearance in Shadows of the Empire. Little is he aware that both characters are slated to appear in Return of the Jedi, which occurs in the future. In this instance, Prince Xizor was doomed by canon to failure. It was inevitable.
The Thrawn Trilogy, first epic of the Star Wars Expanded Universe and taking place five years after Return of the Jedi, established several hundred things, including that the Empire's capital planet was called Imperial Center, then got captured by the New Republic and restored to its Old Republic name, Coruscant. The first books of the X-Wing Series, set three or four years after the movie, detail the New Republic's efforts to capture the Empire's capital world. Unexpected things certainly happen, of course, some of them very dramatic, but we know how it ends. Similarly, Aaron Allston's run on that series deals with the New Republic's fight against Warlord Zsinj, who dies in The Courtship of Princess Leia. And Courtship itself was largely about Han competing with Space Fabio in wooing Leia, when from The Thrawn Trilogy we know that not only did Han and Leia marry, they had twins.
In Graham McNeill's False Gods, Magnus the Red is not going to persuade Horus not to betray the Emperor.
In Ben Counter's Galaxy In Flames, the loyalist Space Marines are not going to survive.
Dan Abnett's Warhammer 40,000Gaunt's Ghosts novel The Armour of Contempt takes place centuries before the "current day". As a consequence, we know that the Inquisition is not going to find the treatment against Chaos they think might be on Gereon: it would have changed history and acted as a Game Breaker.
Similarly, Abnett's Eisenhorn has to end with Eisenhorn and Cherubael alive, although mostly the question is whether Eisenhorn will slip into heresy, rather than die. And it's only "whether" because it doesn't have to happen in this prequel. (Or in the Ravenor one, either. But it's coming, we know, because it's in the Gaunt's Ghosts series.)
Honor Harrington — before it goes Off the Rails, anyway — is Horatio HornblowerIN SPACE!. There's several characters whose names are rather blatantly based on the real-life people of whom the characters in question are expies, especially Rob S. Pierre, who is, of course, an expy of Robespierre. Anyone who knows their history can see how the Havenite side of the plot is going to progress — up until somebody nukes Napoleon and the entire plot veers rather startlingly Off the Rails.
A new Doomed by Canon is forming around Oyster Bay, the in-universe equivalent of Pearl Harbor, despite side stories that promise the potential to stop it. All these plots fail because Oyster Bay is the catalyst for — well, basically everything that's going to happen in the remainder of the series.
In the Heralds of Valdemar series, the Last Herald-Mage trilogy tells the story of Herald-Mage Vanyel, and Brightly Burning tells the story of Lavan Firestorm. The deaths of both characters were first described in the very first book of the entire series, well before the books featuring them were published. (Additionally, the title "Last Herald-Mage" made the fate of all the other Herald-Mages in Vanyel's story pretty clear.)
Similarly, in the Mage Wars trilogy, we already know that the Cataclysm happens, and to a certain extent why. We know that the Kaled'a'in split off into the Shin'a'in and Tayledras. If you've read Mage Winds, you also know the fate of Big Good Urtho and Big Bad Ma'ar.
Fate/zero goes the "everyone who wasn't in the original is likely to die" route. The only surprise was an inversion Waver Velvet survived.
In Stephenie Meyer's novella The Short Second Life of Bree Tanner, Bree has to stay with the vampire army, fight the Cullens at the end, and die by the hands of the Volturi. Although it's arguable as to whether or not it counts as canon, she also has to fall in love and lose said love interest, since Meyer said before the book was published that Bree "found and lost love".
From the Star Trek: Enterprise Relaunch: The TV Series included Coridan as a member of the fledgling Coalition of Planets. However, it had previously confirmed that the United Federation of Planets which grew out of the Coalition was founded by Humans, Vulcans, Andorians and Tellarites - no Coridanites. Hence, while the first novel in the relaunch has Coridan as part of the alliance, it also has them withdraw before the Coalition Compact is signed. This of course is no surprise to readers familiar with Trek lore. The Rigellians and Denobulans were also part of the initial Coalition talks, but their absence is explained as their having been frightened off by Terra Prime in the series' penultimate episode.
To underline just how doomed Coridan's membership was, the very episode that introduced the Andorians and Tellarites to Star Trek centred around a conference about admitting Coridan to the Federation, with Coridan established as underpopulated. That episode took place over a century after the events of Enterprise.
The last book in most V. C. Andrews series are prequels told by the heroine's mother or grandmother, fleshing out how the drama and doom said heroine endures comes about. Thanks, Mom.
The BioShock novelization details the attempts of Bill McDonagh and Roland Wallace to deal with/kill Ryan and escape Rapture with his family. As we find McDonagh's corpse during the game, and hear an Audio Diary of Wallace's death, we already know that this isn't going to work.
Sergey Lukyanenko's Dances on the Snow takes place about 100 prior to the events of Genome. While none of the characters from the prequel are present in the first novel (the stories are simply set in the same 'verse), the main event that defines the prequel is an attempt by a coalition of planets to take over The Empire from within, and it appears to be succeeding rather well by brainwashing entire planetary populations. Since the Empire is alive and well in Genome, it is easy to figure out that the Big Bad's plan will fail. Additionally, the main character's childhood female friend laments that Faster-Than-Light Travel is lethal to women who are not in a Human Popsicle state. This is never mentioned in Genome, which is all about genetic engineering, meaning the problem will be resolved by the end of the prequel via gene therapy.
In the Los Angeles BB Murder Cases, a spinoff novel of the manga Death Note, we know from the beginning that Naomi and L will solve the case thanks to a comment made in the original series.
Pretty much any Doctor Who Expanded Universe media featuring a past Doctor is constrained by this. Lawrence Miles did attempt to change this with his book Interference, which had the Third Doctor die in a completely different way thanks to the meddling of Faction Paradox, a Temporal Paradox-obsessed cult. It was Miles' hope that other writers would follow his example and no longer hold the Doctor's past sacrosanct. However the alternate timeline was never explored (by editorial decree; it's not known if any writers aside from Miles had intended to write books set in it).
In the two prequels to David EddingsBelgariad written after the series and its sequel, readers know that the duchy of Vo Wacune and (almost) the entire population of Maragor are gonna eat it at some point since Vo Wacune no longer exists in the main series and Maragor is filled with the ghosts of the dead.
Fiona Patton's Tales of the Branion Realm is a historical fantasy series written in reverse chronological order; each book is set over a century before the previous one. This leads to some obvious foregone conclusions (historical events alluded to in previous books actually occurring) and some more subtle ones (Noble families clearly named for major characters in later books, a character vowing to uphold his faith but the previous book revealing his daughter converted).
The outcome of the novel Guild Wars: Edge of Destiny. The protagonists plan to take down one of the Elder Dragons. But before the release of the books it was already stated that the game Guild Wars 2 (chronologically one year after the events of the book) will focus around killing the Elder Dragons, including the one they planned to attack. It leads to a Downer Ending.
Saving Charlie is not going to work out the way Hiro wants, as anyone who has seen the end of the episodes it's based on can tell you that Sylar kills her. A few seasons later, Hiro manages to save her from both Sylar and her blood clot, but then loses her again when a fellow time-traveler drops her off in the 40s and she decides taking The Slow Path isn't for her and starts a family with a WWII vet.
In the Magic: The Gathering novel Bloodlines, Davvol is given immortality and appointed as evincar of Rath. However, we know he won't survive the book because it's a prequel to Rath And Storm, in which Rath has another ruler.
Live Action TV
Two examples from Season 5 of LOST, during the time-travel saga:
Jin meets Danielle Rousseau's science expedition. You know, the same team we know all died?
The time-shifting islanders come to join The Dharma Initiative when they're stranded in the 70s. We already know that there will be both an "Incident" and a Purge, the latter wiping out almost every remaining member of Dharma.
Babylon 5: In The Beginning is a prequel film detailing the events of the Earth Minbari War (by way of a Clip Show summing up a large chunk of Back Story for new viewers after the show changed networks). Mostly we have characters that we see from the show, doing whatever they were doing before the war broke out, with three notable exceptions: Captain Jankowski, Captain Sterns, and Lenonn. In the movie, two of the three don't survive (one of the Captains, notably gets part of the bridge dropped on him during a brief battle). In the novelization, it is mentioned in passing the other character, upon realizing what his actions had brought forthput a gun to his head.
The Battlestar Galactica prequel series Caprica. It's clear at least Willie and Joseph Adama cannot die. Willie since he's inBattlestar Galactica and Joseph because both Lee and Lampkin state they knew Joseph personally, whereas both won't be born for at least a couple decades. Everyone else, however, was neither seen or mentioned in the series-so their eventual fate is unknown, meaning they're all fair game...
Subverted: Willie does die. It turns out he wasn't Commander Adama after all, but rather an older brother who the commander himself was named after.
In the main series, there's also Kendra Shaw, who appears in a extended-episode set in the 2nd season's continuity. However, since the show itself was in the 4th season at the time, and despite her high rank and prominent position we'd never seen her in all of the intervening episodes...
An interesting example: while it doesn't involve prequels in the sense that it moves forward in the Doctor's personal time line, we think we know River Song won't die in any of her subsequent appearances, since we already saw her final fate. In an attempt to counterbalance this, the Doctor makes a point of mentioning every time River Song shows up that history can be changed and that she could die some other way instead.
Subverted in "The Snowmen". The Doctor suspects fairly early on that Clara is the same person as Oswin from "Asylum of the Daleks", and as Oswin died in that episode, she can't die in "The Snowmen", right? Wrong!
An example from the Classic series could also be "Genesis of the Daleks", where The Doctor is sent back in time to destroy the Daleks before they can even be created. However, because of the number of adventures involving the Daleks, this is clearly not possible.
Most of the episodes that take place in the past fall under this trope, as the writers don't want to rewrite history too much. Donna can't allow the people of Pompeii to escape Vesuvius, the Doctor and Amy can't save Vincent van Gogh, Barbara can't convince the Aztecs to give up human sacrifice, etc.
Played with in "The Waters of Mars", where the Doctor decides Screw the Rules, I Make Them! and tries to save a (future) historical character whose death is a fixed point in time. She dies anyway, committing suicide to preserve the timeline after being freaked out by the Doctor's A God Am I behavior.
If you are an original character, you have a very high mortality rate. Not even being a main character could save you. Chloe Sullivan is the only original character from the main cast to survive the entire series as Whitney Fordman, Jason Teague, Davis Bloome and Tess Mercer all died.
Jonathan and Martha Kent never have a biological child, which concludes a plot point from Season 2 very early for anyone familiar with the comics.
Everyone knew that the romance between Clark and Lana wasn't going to lastnote Although it (painfully) lasted way longer than anyone expected and that any advances by Chloe towards Clark were ultimately going to be ineffective (eventually, Chloe outgrows her teenaged crush and matures). Especially after the one and only Lois Lane was introduced, and Clark gradually began moving towards his relationship with her.
Lex in the first couple of seasons makes sincere efforts not to be the Corrupt Corporate Executive his father is, or if he must be one of those, to at least work towards noble goals and help his friend Clark. It is even implied that The Power of Friendshipcould have saved him if only Lex had been willing to let go of his obsessions.
And of course, in season eight, Davis Bloome is doomed to become the raging monster Doomsday.
How I Met Your Mother loves to reveal bits of the future in advance, usually through Future Ted's narration (but sometimes by standard flash-forwards). As a result, while Ted has to marry someone, most of his steady girlfriends are ruled out for us viewers before the relationship even begins. The most extreme case was Robin, who was his love interest for two whole seasons; we knew from the PILOT that she wasn't the Mother.
That doesn't mean they don't get together in the end.
Everyone knows how things are ultimately going to end for the Merlin characters, once they hit the legendary era. Lancelot returned from the dead briefly, but in the end, the inevitable did happen.
In From Dusk Till Dawn, even though the details differ, both Earl McGraw and the Geckos’s original hostage die at more or less the same point in the story as they did in the movie.
The Metru Nui saga in BIONICLE was a two year-long (2004-2005) flashback, so fans already knew that: Vakama and his team would have to give up their Toa powers and turn into weaker Turaga elders, their mutation into animal-like Toa Hordika would be undone, Vakama's Face-Heel Turn would be temporary (these last two were no-brainers even for new fans because 2005's story was an interquel to the already concluded 2004 plot), they would fail at stopping Makuta from putting MataNui into a coma, also that Makuta's defeat at their hands would not last, and that the city of Metru Nui would be abandoned with the knowledge of having lived there wiped from the islanders' memory.
Speaking of doom, Rev 20:7-10—>"When the thousand years are over, Satan will be released from his prison and will go out to deceive the nations in the four corners of the earth—Gog and Magog—and to gather them for battle. In number they are like the sand on the seashore. They marched across the breadth of the earth and surrounded the camp of God’s people, the city he loves. But fire came down from heaven and devoured them. And the devil, who deceived them, was thrown into the lake of burning sulfur, where the beast and the false prophet had been thrown. They will be tormented day and night for ever and ever."
Ragnarok. In fact, end-of-the-world prophecies in general.
A particular instance of this occurring within a playwright's own continuity is the ending of Oedipus at Colonus as Antigone and Ismene head to Thebes to try and dissuade their brothers from civil war. Sophocles had already treated their fate in his Antigone over thirty years previous to writing Oedipus at Colonus.
Rent, despite being a modern version of La bohème, is actually a subversion. Angel dies of AIDS, despite her counterpart (Schaunard) surviving the opera. Mimi appears to die at the end (as her La bohème counterpart), but is revived by The Power of Love (or The Power of Rock, your call).
In Les Misérables, Enjolras and the other revolutionaries (save Marius of course) must inevitably be killed on the barricades, because the real-life June 1832 Rebellion failed.
On the other hand, however, not all performances make it clear exactly what year it is. In fact, the only time reference that is always given is that Valjean was in prison nineteen years. Apart from that different productions mix and match how much information they give.
Video Game/Nosgoth is a multiplayer arena battle game in the Legacy of Kain series. One of the playable classes is the flying Sentinel. Those familiar with the Legacy of Kain series will note the bitterness of playing this class as, as per games set later in the series' timeline, the entire clan making up the Sentinel class has been slaughtered and indeed is never even seen in the rest of the series at all.
Halo begins just some hours after the complete annihilation of the planet Reach and the destruction of almost the entire remaining human fleet, which has almost sealed the inevitable defeat of the human race in the 30 year long war against the covenent. Throughout the series, the Fall of Reach has been treated as the darkest moment of human history. The later prequel Halo: Reach takes place on said planet, so it's a foregone conclusion that none of the characters will survive. And throughout the entire game, most players would have been aware that any attempt at defending the planet and each minor victory would be completely irrelevant in the end.
Except it's surprisingly averted as Mauve Shirt Jun survives.
The DS remake of Chrono Trigger adds an extra ending where the party and Anti-Villain try to rescue Schala from the Devourer. The sequel, Chrono Cross, is also about a different party trying to rescue Schala from the Devourer, so obviously Crono and the party didn't succeed. But that's the only ending doomed to failure thanks to the use of parallel worlds in Chrono Cross all the endings can be considered canon. For instance, the future from the ending where humans were replaced by dinosaur people is where and when the Terra Tower comes from.
Final Fantasy VII: Crisis Core has the difficult task of working Zack, Aerith and Sephiroth into an interesting plot despite the player knowing how it has to end. It does pretty well.
Likewise, Before Crisis introduces a large team of unnamed Turks as the player characters. All but Shuriken Female aren't seen in other media and the end of the game has all Turks except the big 4 (Reno, Rude, Elena and Tseng) go into hiding. The one member who does appear in other media? Cissnei who appears in Crisis Core, which is in the MIDDLE of Before Crisis.
In Call of Duty 4: Modern Warfare, there's the flashback mission with Captain MacMillan where the objective is to assassinate the Big Bad Zakhaev. Naturally, you fail, you "only" take his arm off.
Ace Attorney: All of the flashback cases in some way or another have this by virtue of what characters are involved.
Case 3 of Investigations 2 is a big offender. You know that no matter how hard Gregory tries, he can't get a Not Guilty verdict for Tenkai. And that exposing von Karma's forgery isn't going to end well for him... Fortunately, you get to solve the case for real as Miles in the present.
Apollo Justice is especially cruel about this. You, as the player, are forced to make Phoenix present evidence that you know will ruin his career.
Fire Emblem: Sword of Flame, as the prequel to Sword of Seals, has multiple characters that are either depicted this way or implied to turn out that way given that only a handful of the Sword of Flame playable cast even shows up in the previous title. Since Sword of Seals was never officially released outside of Japan, however, many players don't actually realize this and the deaths have less impact.
Canas the Shaman is clearly intended to be the father of Hugh and son of Niime, given that he looks like both of them. Regardless of supports, Canas' epilogue notes that he and his wife die in a blizzard between games, hence why Hugh is being raised by his grandmother by the time of Sword of Seals.
Hector, despite being easily the most powerful unit in Sword of Flame, is killed within the first chapters of Sword of Seals as a much older man. One of the support chats in Sword of Flame notes that he had a premonition of his death, though he misreads the circumstances. He also eventually wields a weapon that comes with a curse that its wielder will die in battle, a clear reference to his death in Sword of Seals. Additionally, as Lilina's mother is dead by the time of Sword of Seals, any of the women Hector gets an A support with and marries in the epilogue are also doomed to die between games.
Similarly to Hector, Roy's mother is dead by the time of Sword of Seals, which dooms all of his father Eliwood's potential brides to the same fate.
The Black Fang do not appear in Sword of Seals, which is a pretty clear clue that they will not survive the events of their game.
The mother of Sword of Seals mages Lleu and Lugh appears in Sword of Flame. The player recruits them in an orphanage in Sword of Seals. All of her endings have her disappearing either chasing her husband, Jaffar, or escaping bounty hunters to protect her family.
Erk turns into this if he gets A support with Nino, though his other two marriage options would canonically allow him to live happily ever after (though a marriage to Serra may be a Fate Worse than Death...)
It's not stated what happened to Rebecca, but her son Wolt never mentions her, so this may have caught up to her as well.
If Lyndis married Eliwood or Hector in her ending, she gets this by default. One of her endings also puts her as the mother of Sue in Sword of Seals, though neither of her parents actually show in that, so she may still be doomed.
Karla is the mother of Fir in Sword of Seal, who explicitly became a sword fighter in honor of her dead mother.
Athos and Brammimond, the final two Legendary Heroes. The Legendary Heroes are all deceased by Sword of Seals. Athos kicks the bucket on camera and his death also implies Brammimond died as well.
It is assumed Hawkeye died between games as his daughter is doing his job in Sword of Seals. it's never stated, however.
Ray Crisis, the prequel to Ray Force. Despite your efforts, Con-Human succeeds in taking over the planet, according to the story of the first game. Makes the prequel a Shoot the Shaggy Dog story too.
Portal: Prelude, the unofficial 3rd party mod. GLaDOS goes berserk and kills everyone. Apparently, even the main character. Mike and the main character (Abby) MAY have survived, but even if they did, they hastily abandoned Aperture.
In Metal Gear Solid 3: Snake Eater, a prequel to the entire Metal Gear series, having Snake or Ocelot killed will result in a Time Paradox since they were important characters in the previous games. Likewise, killing off EVA will result in a game over too, since her presence is needed for the game to progress. On the other hand, the game forces the player to kill off The Boss after defeating her, since her death is necessary for Big Boss' descent into villainy. If the player doesn't pull the trigger when prompted after a while, Snake will do it automatically anyway.
Also, Naked Snake is none other than Big Boss himself, who in the other games appeared as an old man with an eyepatch. So when he gets tortured and Volgin orders one of his eyes to be torn out, it's clear the he won't be saved in the very last moment. Thankfully, Ocelot accidentally fires one of his guns right next to his face, only permanently blinding his eye with the burning gunpowder, but in the resulting chaos Volgin is satisfied with the outcome and leaves it at that.
In Metal Gear Solid: Peace Walker, we're introduced to Huey (Otacon's father) and Kaz (aka Master Miller), both minor but rather pivotal background characters in Solid Snake's timeline. Both of them are doomed to die in the chronological later games; Huey kills himself and attempts to take his step-daughter with him sometime when Otacon was still a teenager (as we find out in Metal Gear Solid 2: Sons of Liberty), while Miller is murdered and has his identity stolen by Liquid Snake in Metal Gear Solid.
In Metal Gear Rising: Revengeance, Khamsin is introduced in the "Bladewolf" DLC as a member of the Winds of Destruction. Considering that said DLC is a prequel to the main game, he's fated to die by the claws of Bladewolf.
Anyone who's played Dead Space will already figure out that in Dead Space: Martyr Altman is going to end up dead by the end, since his death is a major part of Unitology's history. The only surprise comes in the form of the circumstances surrounding his fate.
Street Fighter IV provides hints that Charlie might be alive. When Guile confronts Abel, he's doing a Sonic Boom. Abel goes and tells him he's seen that move somewhere. Guile asks where, Abel answers "I'm not gonna say anything to a possible Shadaloo spy", then the fight begins.
Mega Man X has a 10-Minute Retirement at the beginning of X7, getting tired of the more unscrupulous methods of the Maverick Hunters and trying to find a better solution to peace... and the Mega Man Zero series, set a hundred years later, shows that the war never even ended; in fact, the situation had gotten even worse!
Well, not exactly. The war they were fighting ended. Then a new war that nearly wiped out all life began. Then, when that was done, another war began, this time because of scapegoating due to an energy crisis. At least after the Zero series, the wars actually stop. For a while. With Legends being in the main canon, you can only wonder what the hell went wrong even later when you learn certain details about the world...
Strictly speaking it doesn't state anywhere in the opening that it's a prequel, so it's it's not a foregone conclusion when you start... although I suppose Fridge Logic states that it couldn't very well be a sequel, now could it?
Valkyrie Profile 2: Silmeria is -also- set up as a prequel to the first game but averts this trope anyway. Due to time travelling shenanigans, it ends entirely differently.
Ninja Gaiden III for the NES is actually an interquel set after the events of the first game, but before II. This fact is vaguely implied in the instruction manual, but not outright stated, which helps hide the fact that Irene Lew, who is supposedly killed in the intro, isn't really dead at all since she returns in II. One big giveaway that III is set before II is the fact that Ryu still has the Dragon Sword, which he loses at the end of II.
Averted in Fear Effect 2. This game is a prequel to the original and introduces Rain, Hana's love interest. She's in danger a lot and you'd think she'd be killed since she isn't in the original game. She's not killed and apparently was just off-screen then.
In a Multimedia example, ''The Web of Arachnos'' tells the story of Marcus Cole and Stefan Richter; best friends who grew up in the same household and later became soldiers of fortune. Marcus's brother Ezra and Stefan's sister Monica also make appearances. Anyone who has actually played the game (or looked at the cover of the book) knows that Marcus Cole becomes Statesman and Stefan Richter becomes Lord Recluse after achieving their goal of reaching the Well of the Furies. Monica goes on to marry Marcus, but Ezra was never mentioned before the novel's release.
MMO time creates some wacky examples in City of Heroes. Any arc where the goal is to prevent the Second Rikti Invasion is doomed to fail, because that storyline has to begin when you reach level 35. Praetor Duncan's plan to kill Diabolique fails because Diabolique's One-Winged Angel form from her Incarnate Trial was used in the promotional material for the issue that arc appeared in. Most importantly, no matter what you do in Praetoria Tyrant will still blow up it's capital out of spite.
Starkiller, in The Force Unleashed. A powerful Sith apprentice just running around pell-mell, slaughtering stormtroopers and rebel soldiers alike, before A New Hope? There was never any doubt that he was going to kick it.
May yet be subverted. With the rumors of the third game being canceled and the second game canonically ending with both Juno and Starkiller walking away alive and together without anyone but Kota and Juno knowing that Starkiller has come back, the series may never get the chance to Shoot the Shaggy Dog. For all we know Juno and Galen may live happily ever after.
The GameCube version of Resident Evil added the option to rescue Richard Aiken by healing his poisonous snake wound on time. However, since the sequels require the deaths of all the Bravo Team members (except for Rebecca) for the storyline to make sense, Richard will simply die at a later point of the game.
Left 4 Dead, The Sacrifice DLC. Since Bill was already dead in The Passing, you know that he will always be the one to die by canon, even if the player sacrifices a different survivor in The Sacrifice.
A somewhat interesting example in Ōkami as it happens over the course of the same installment. The start of the game tells the legend of Nagi and Shiranui, a warrior and white wolf respectively who slay the evil Orochi... at the cost of Shiranui's life. Then the game starts proper, you play a depowered Shiranui (actually the sun goddess Amaterasu), and later in the game you're thrust into the original battle with Orochi via Time Travel (need I remind you you're depowered?)... A Downer Ending seems inevitable. But you live, and the legend still manages to play out as normal. No Timey-Wimey Ball here!
In Ōkamiden, there's more Time Travel. The instant you go back in time, you realize that you're in mid-air over an ocean. Luckily, a ship called the Goryeo comes and its friendly crew take you on board. You explore the ship, and find that it's the sunken ship from the first game. The one loaded with evil and bad stuff. This trope possibly makes it even scarier.
You may not know this the first time you play through Tactics Ogre The Knight of Lodis, but you have two routes to take in the game. The canonical option is Path "A", wherein Alphonse kills his best friend and commander, Rictor, as well as his second in command Orson, and his love interest Eleanor sacrifices herself, making them Doomed by Canon, and the official ending is the Downer Ending / Bittersweet Ending
Say, you know those two from Ogre Battle? Holy knight Lans and Warren? They make it to episode seven, along with Canopus, except They don't wind up making it out - Warren sacrifices himself to save everyone from being sucked into a Chaos gate, whereas Lans was driven insane by torture. The remake implies otherwise though.
The prequel to Dragon Age: Origins, The Stolen Throne, is absolutely loaded with this. Like the anti-heroic badass Teyrn Loghain? He's the villain of the main game. Boy, Maric really came into his own as King! His rule is pretty darn short. Look at adorable little Prince Cailan in the epilogue! Aww! He dies young at the beginning of the game, and is hinted to be a mediocre king at best. Dragon Age taking place in a Crapsack World, this isn't entirely unexpected.
Played in-universe in Dragon Age II, however. The game is a story-within-a-story concerning Hawke's rise to power, and his/her role in events that have torn the Chantry apart and flung Thedas (the setting) into war. Played with in that the storyteller and listener know the ultimate outcome, but the player has a lot less information.
Also, The Calling prequel. The two people who will definitely survive will be King Maric and Duncan (he dies pretty early in the game).
In Super Robot Wars Z2: Destruction Chapter, there is nothing you can do to prevent the deaths of Euphemia li Britannia, Neil Dylandy/the first Lockon Stratos, or Kamina, in defiance of SRW's tradition of letting the player prevent plotline deaths. However, this is a special case in two different ways, firstly because there will be a direct sequel (Rebirth Chapter), which hints at a possible Not Quite Dead scenario for these characters and because those characters' deaths are arguably so plot-critical to their home series that they have to happen. However, they do get some concessions: Neil actually gets to use Trans Am and Kamina gets access to some attacks that Gurren Lagann didn't get until after his death like the Giga Drill Break.
Partly subverted with Z2.2's release. In the secret route while Kamina and Neil remain dead it is revealed that Euphemia was alive all along!
In Suikoden II, if you had Georg Prime investigated, you would find out that he killed the queen of Falena, Queen Arshta. Suikoden V, set a few years before Suikoden II, highlights the entire events.
Considering the state Max Payne is in in the trailers for the third game, the alternate ending in which Mona lives is not canon.
In Ys Origin, the demons can't be defeated permanently. We know this because Adol did that in the first two games, which take place 700 years later.
Persona 3: FES contains a sidequest that lets you save Chidori, but "The Answer," a canonical epilogue added to the FES version, mentions the character's Plotline Death.
There's also a massive amount of argument over whether this applies to Shinjiro.
In Baten Kaitos Origins, if you've played more than ten minutes of Eternal Wings, you can probably guess Verus and Baelheit are going to be killed off, simply based on the fact that Geldoblame is in power in Eternal Wings, twenty years later. Sharp-eyed players will pick up on a few others.
In Corpse Party: Book of Shadows (a sequel of sorts to Blood Covered), we are introduced to Kai Shimada and Naho Saenoki's friend Sayaka Ooue. Shimada is part of the same group of friends at Byakudan High School, where he has a one-sided rivalry with Yuuya Kizami, and Sayaka is mentioned in Naho's Notes. You find their bodies in Chapters 2 and 5 of Blood Covered, respectively.
In Sonic and the Black Knight, Merlina plans a Face Heel Turns in order to prevent Camelot's fall, to keep it alive eternally. Sonic doesn't like the idea of an entire kingdom being trapped and frozen in time and knows Camelot must fall, thus he has to smack her around to get her back to normal and see the folly in her plan.
I Miss the Sunrise actually inverts this in a few cases — Marie, Rami, and Mahk are all alive and well in The Reconstruction, so they can't die (though something does have to happen to Mahk to make the crew believe he died). Played straight with Tezkhra, however.
Followed in an odd yet internally consistent way in Dynasty Warriors. The main feature of the games is the 'story mode' which tells the tale of whichever of the Loads and Loads of Characters you happen to select. While Koei takes some liberties with the history, iterations such as 5 and 7 in particular are surprisingly true to the source material, Romance of the Three Kingdoms. This means that some games with prequel missions which feature certain characters already tell you how they're going to end due to the presence of later stages. For instance, in the Expansion Pack for 5, a mission is introduced with the imperial guardian He Jin as an important NPC, against a rebel cadre of eunuchs. No matter how you do in this prequel stage, though, He Jin must die either in the course of gameplay or shortly after, as both Dong Zhuo and Yuan Shao are shown ascending to power in the early stages of 5, after He Jin's death at the hands of the eunuchs' conspiracy (as the actual facts of history tell).
The Walking Dead video game has you meet a young man named Shawn Greene and his father, Herschel, both of whom live on a farm. Anyone who watches the show and/or reads the comics obviously knows Shawn is toast, no matter what decision the player makes.
Assassin's Creed IV: Black Flag players could be forgiven for being unaware that everything they do in the game, even if they go for 100% Completion, will be undone in the end, since while some of that is a given due to him returning to England with riches enough for land, finery, and title as per the ending, Assassin's Creed: Forsaken already revealed — hence why his own Database entry in IV does — that Edward dies in 1735, his daughter is still estranged from him, and shows that his son Haytham goes on to become a Templar Grand Master... who in Assassin's Creed IIIwill be killed by his son, Edward's grandson, Ratonhnhaké:ton aka Connor Kenway.
Because The Sims 3 is a prequel to the two previous games, characters carried over from the older games (who are mostly children and teens in this version) more or less have their lives mapped out for them right up until they die of old age (or otherwise). Of course, since it's an open-ended simulation game, it's entirely up to the player whether they play this straight or avert it in game-play, though this doesn't affect the characters' official canonical fates.
It's also a foregone conclusion that Redcloak will not betray Xykon and will continue working for him, Xykon will become a lich, and the Monster in the Darkness will be recruited by Xykon.
Bob and George, a Mega Man webcomic, a cataclysm is constantly referred to, in which Zero is awakened early and kills off the main cast, explaining why almost none of the original Mega Man characters appear in the Mega Man X games. However, Wily learns of the cataclysm and does not activate Zero. But to avoid a temporal paradox, has everyone fake their deaths and move to Acapulco.
Also, in the adaptation of Mega Man 6, Wily is looking for a volunteer in the group to stop a rampaging Mega Man. When he asks Bass (called Bass Man, who did not really appear in 6) to slow down Mega Man, Bass says "Screw you, old man. I'm in the next game!" Making sure he survived until Mega Man 7, which was not adapted.
Jeneviv from the Dreamkeepers series is seen as having a rather grisly end in the first few pages of the graphic novels, which makes her appearance as a childhood friend of Lilith in the prequel webcomic rather bittersweet with that in mind.
Due to a lot of Weird Time Shit in Homestuck, very many events are foretold before they happen. For example, the troll's session ends badly, and Aradia's soulbot explodes.
Inverted with the deaths of John, Karkat and Terezi. All three have been shown to be alive and active at future points shown earlier in the story as flash-forwards or other instances of weird time shit. At this stage only John is a definite, having been explicitly confirmed to have survived shortly after the fact owing to his God Tier-derived immortality; this being Homestuck, there's room to be incorrect in the case of Karkat and Terezi.
Doc Scratch: What sort of story would this be, with our [human Hero of Breath / Knight and Seer] made to stay a cadaver(s)? Definitely not one the alpha timeline would allow.
One Whateley Universe tale set in the near future hints strongly that Phobos will die this year (Whateley school year 2006-2007). Which means everyone is waiting to see what happens in the rest of the school year...
Arguably, any character in The Slender Man Mythos. The Slender Man can't be killed or harmed; the best result is delaying him long enough to go on the run and then staying on the run for the rest of your life, and most Runners still suffer horribly at his hands or eventually get caught. Pretty much as soon as the man shows up, insanity, enslavement, or death are on the cards—no exceptions.
Season Nine of Red vs. Blue is half prequel, showing the Freelancers, most of whom have appeared before.
Agent North Dakota is betrayed by his sister South and killed by the Meta.
His sister, Agent South is shot in the face by Washington.
Agent Washington is implanted with the Epsilon AI, which breaks down while still in his head.
Agent Maine is implanted with the Sigma AI and begins killing fellow Freelancers and stealing their AI and equipment, then is chained to a Warthog and pulled off a cliff.
Agent Carolina receives two AI and is driven insane. Subverted, though, in that she is not dead as was previously stated, showing up in the final scene of the present half of the season.
Agent York is killed by Wyoming after leaving the program.
Agent Wyoming is killed by Tucker while attempting to abduct an alien child.
Agent CT is killed by Tex while fighting with the Insurrectionist Leader against her and Carolina.
Hanzo Hasashi's family and Hasashi himself have to die in Mortal Kombat Legacy in order for Hasashi to be reborn as Scorpion and swear revenge against their killer Sub-Zero. The twist here is that Sub-Zero didn't kill them; Quan Chi and Shang Tsung did and framed Sub-Zero.
In The Little Mermaid TV series and The Little Mermaid 3: Ariel's Beginning, Ariel has to be unaware of Eric's existence. Conversely, Ariel's Beginning is the earliest-set installment of the franchise - and the only one to feature Ariel's mother. Mom's totally doomed, isn't she? Yes, she is.
At the end of season 5, we find out what happens to Ahsoka: she is framed for treason against the Jedi Order, though Anakin finds the real culprit, Ahsoka's faith is shaken enough that she quits.
Because of the existence and continuity connection of Batman Beyond, moments in the DCAU that chronologically take place before Beyond sometimes fall into this trope.
The big ones come from the entire premise of Batman Beyond, which is that Bruce Wayne becomes an elderly recluse and Gotham goes to hell without a vigilante to keep criminals in check. No matter what the shippers say, Bruce has to end up old and alone. There is no happy ending for him in regards any romance which takes place before Batman Beyond. Similarly, his relationship with the Justice League has to sour to the point where they lose contact. Finally, he must lose contact with all members of the Bat-family, who also have to quit crime fighting, and they can't have anyone else take over forthem.
TRON: Uprising: The audience knows from the start Beck's rebellion against Clu is not going to do a pixel's worth of good, since TronLegacy takes place about 20 years later, and the Grid is even more of a totalitarian nightmare (though there is a passing mention of a "resistance" in the film). The season (series?) finale being a Bolivian Army Ending certainly points to most or all of the cast ending up de-rezzed or worse.