Best Teen-Rated Crossover Fanfics
The 25 most-loved teen-rated crossover fanfics on AO3, ranked by kudos. Crossovers answer fandom's eternal 'who would win' and 'would they get along' debates on the page, and the friction between universes generates stories neither canon could hold alone.
Top 25 Teen-Rated Crossover Fanfics
Ranked by AO3 kudos. Every fic on this list is tagged with crossover and rated Teen And Up.
None So Blind
by prettybirdy979
They say when you assume you make an ass of you and me.Matt wishes that the Avenger's assumptions about his seeming inability to read the written word did something as benign as making an ass of him and them. Being called illiterate shouldn't hurt, not when he knows he's not, and it's not like he ca
Whispers in Corners
by esama
Everything started with a stumble - his new life in a new world as well as his surprisingly successful career as a medium.
All Hallow's Eve - New York
by WhisperingDarkness
Harry Potter had never really managed a normal, peaceful Halloween, so he really shouldn't have been surprised when he was suddenly displaced from the grocery store and found himself in front of a maniacally cackling man in a very dramatic outfit.
No Difference
by The_Bookkeeper
Derek has been in a lot of bad situations. This one easily makes the top five. Or would, if Dean and Sam Winchester were actually acting like the sadistic psychopaths he expected them to be. Instead, Dean is referencing Star Trek, Sam is comforting Reid, and Derek has never been more confused.
Road to Nowhere
by Aerugonian
Hitoshi knows there's something wrong with himself before he's even old enough to have a sense of self. He looks at his reflection and knows that the infant looking back at him isn't what he should be seeing. His dreams are a maelstrom of grief and fear, his mind overwhelmed with a lifetime of emoti
Edo Tensei
by Asteroid_Duck (JustThatOneGirl1815)
“The HPSC is doing what?” Present Mic asked Nedzu incredulously. Nedzu’s smile was tense. “The HPSC is concerned about the recent attack at the USJ and are choosing to intervene. A student of theirs will be transferring into Class 1-A in order to watch for a potential traitor in the school.”...Or, H
Harry Potter and the Immortal's Playground
by May_May_0_0
It starts slowly, the steady disconnect between who he is and who he should be. The man in the mirror becomes a stranger to him; he looks into the glass and wonders how everything became so distorted and backward and...wrong. He notices in bursts: when Teddy grows taller than him, when he’s kissing
The Long Journey Home
by HeartAway
Hail Mary Counter @hailmarytracker · 12 hrsDays since last contact with Hail Mary: 9,716🗨 1 ⇄ 2 ♡ 5 It's been nearly 27 years since the Hail Mary departed. When the ISS detects a signal in the far off solar system, hope begins to grow, even as mysteries start to unravel and the universe becomes a l
time flies by (bye)
by WHYISEVERYNAMETAKEN
"Maybe," Peter thought, "I can make a life here."Hence the tears and the guilt and the grief, because was Peter allowed to move on? Was he allowed to… to leave it all behind? Leave all the bad things in the past?Peter was "The Friendly Neighborhood Spider-Man!" after all, and wasn’t he letting Queen
he's a killer queen, sunflower, guillotine
by hoye
He has to be the weirdest Hufflepuff Harry’s ever seen.Scratch that, he’s the weirdest Hufflepuff Hogwarts has ever seen.(One thing everyone could agree on: NEVER call Edward Elric short.)
There May Be Some Collateral Damage
by metisket
Ichigo’s been ordered to go undercover at a magic school to bodyguard a kid named Harry Potter, and this would be fine, except that he’s about as good at bodyguarding as he is at magic. And he considers it a good day, magic-wise, if he hasn’t set anything on fire.
Unforeseen Mayhem
by Aerugonian
It all happens so fast.One second Izuku's watching as Eri steps haltingly into the room, stomach dropping as he realizes she's going to go back to Overhaul and Togata isn't there to stop her. His body isn't cooperating with him anymore. It's all he can do to stand there and watch as she takes a step
To Dine so Dark
by jesso
Anne invites Eddie to a dinner with one of Dan's friends from work. It's not until he's halfway through the meal that he realizes what's in the food.This work is now available in Chinese
The Ones Burnt
by This_is_lovin
“Thank you, sir.” Peter turned facing M.J. and Ned’s silhouettes that wobbled against the rising sun.“Call me Stephen,” Doctor Strange said.Peter smiled, “Thank you, Stephen.” The name felt odd coming out of his mouth.The laugh was slight, barely even one. “Still feels weird.” Stephen smiled; it was
5 Times Venom Shocked the Avengers
by aanahitt
And one time Eddie did. After the life foundation incident, everything settled to normal for Eddie and his symbiote. Until the Avengers have to come pick them up because their cannibalistic habits are starting to freak the local cops. How do you adjust to living with heroes when your modus operandi
Cathedrals
by KarasuYurei
After the events with Deucalion and Jennifer Blake, Derek goes on a search for his biological family. He, Stiles, and Cora head to New York City to try to find the family he doesn’t remember. It turns out that there was a lot to his adoption that he never knew.
The Cyborg Arm Job
by copperbadge
The Leverage crew run into a new friend, find some buried treasure, and fight some Nazis. It's a pretty good day.
Bye Bye Yesterday
by princessesandangels
After the assassination of Koro-sensei, Shiro survived to continue his experiments. And he kidnapped all of 3-E to be his first test subjects.His first Nomu.But something went wrong. Very wrong.And now, 27 terrified teenagers, one femme fatale and a terminally overworked government agent are waking
Be Careful What You Ask Your God
by Vexfulfolly
But Aki… And that is the thought. But Aki has always been different. But his future, when she touched the weft of fate, was delicate, as if one wrong move would have threads unraveling beneath her palms. A nudge, even a breath, might push him off course and send him wildly careening into a different
A Lot of Red Leather and a Lot of Smoke
by greenleaf
Based on prompts here by doctor-derektionstein and clarkoholic.Derek Hale and Oliver Queen are best friends who work out together once a week at HAO Gym. Stiles Stilinski works the front desk and is convinced they’re together which sucks because he is totally attracted to Derek. Felicity Smoak comes
A Dovahkiin Spreads His Wings
by VixenRose1996
When the Bastard of Winterfell, Jon Snow, disappeared nearly five ago, its said that part of Ned Stark died.When a letter arrived a Winterfell, nearly three years ago, from Jon Snow stating that he was alive and well but living in a far-off land, its said that Ned Stark was renewed with life.But whe
Mostly Void, Partially Stars
by Infinite_Monkeys
The Avengers' search for Loki takes them to a small desert town where the sun is hot, the moon is beautiful, and the single mother of an eight-legged horse can join the PTA.
Professor Elric?
by schrijverr
After The Promised Day Edward is sent on a miliary mission to Hogwarts where he will teach Alchemy to his students. He is told not to interfere with their business, but he has a hard time not getting involved with this weird Voldy prick.
Thrower of the Dart
by Vathara
What might have happened instead of Artemis Fowl book 6, if it'd happened in the Marvel Universe. Megalomaniacs ahoy!
Handler
by copperbadge
There are some staff changes going on at SHIELD.
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About This List
This list of 25teen-rated Crossover fanfics spans 1,967,482 total words. Kudos range from 3,200 on the newest entries to 31,364 on the most established. 68% are marked complete — check the status flag before committing to a longfic. The most common rating is Teen And Up Audiences (25 of 25 fics).
Recurring tags across this list: Crossover · Angst · Alternate Universe - Canon Divergence · Alternate Universe · Post-Traumatic Stress Disorder - PTSD.
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