MCU Fanfiction
The Marvel Cinematic Universe, featuring the Avengers, Spider-Man, and countless heroes across interconnected films and TV series.
Start Reading MCU Fanfiction
Explore 380,000 MCU stories on Archive of Our Own, sorted by popularity. Then enjoy the best reading experience with Fanfict Reader.
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What is MCU fanfiction?
MCU fanfiction is fan-created stories set in the Marvel Cinematic Universe universe. With over 380,000 works on Archive of Our Own, MCU is one of the most popular fandoms in the fanfiction community.
These stories explore beloved characters like Steve Rogers, Bucky Barnes, Tony Stark, Peter Parker, and many more. Writers create everything from short one-shots to epic novel-length adventures, exploring relationships, alternate universes, and "what if" scenarios.
Most Popular MCU Fanfics
These are the highest-rated MCU stories on AO3, ranked by kudos from readers.
I Am Groot
by sherlocksmyth
EXTREMELY NSFW fic told from the perspective of Groot. EDIT 04/05/2021:Wow. I just found out this is the top fic on AO3. I’m losing my mind. Thank you guys for the kudos & views! If you want you can follow me on Twitter: @grootficguy
Dark Matter
by mysterycyclone
The last thing Peter sees is Tony's horrified, heartbroken expression leaning over him. The guilt in his eyes is almost worse than the burning pain that's taking Peter apart piece by piece. The world starts to go dark.There's a flash of gold and green. For one moment, he finds himself standing among
The Third Option
by Uncertainty_Principle
Homecoming AU.Ben and May divorced before Peter’s parents died, so when Ben is murdered Peter goes into foster care. It takes just a tiny taste of superpowers for Peter to decide he doesn’t want to put up with his horrible foster father anymore—the streets are infinitely more appealing. All he wants
Fitting In (Tiny Spaces)
by aloneintherain
Peter's trapped beneath a collapsed building during a mission, hurt and unable to move. Luckily, his comm still works. Unluckily, the Avengers don’t realise how bad of a state Peter is in, and Peter isn’t inclined to tell them. “Spidey, they’ve got reinforcements. We’ve hit a bit of a snag here, and
Astronomy In Reverse
by pansley
A year after the Winter Soldier failed his mission in DC, Bucky Barnes is doing his best to stay under the radar from both Hydra and Steve Rogers. His hope for a peaceful day-to-day life in limbo goes awry, however, when he meets Queens’ newest hero; a pure-hearted kid with a death wish and a ridicu
Popular MCU Ships
Stucky
James 'Bucky' Barnes/Steve Rogers
Best friends since childhood, separated by war and time, reunited as heroes - Steve Rogers and Bucky Barnes.
75,000 works →
Stony
Steve Rogers/Tony Stark
Captain America and Iron Man, two leaders of the Avengers whose opposing ideologies and mutual respect create intense chemistry.
85,000 works →
IronStrange
Stephen Strange/Tony Stark
The brilliant surgeon-turned-sorcerer and genius inventor, two arrogant intellectuals who understand each other's burdens.
25,000 works →
Thorki
Loki/Thor
The Asgardian princes, adopted brothers whose complex relationship spans love, rivalry, betrayal, and redemption across the cosmos.
55,000 works →
Spideypool
Peter Parker/Wade Wilson
The young web-slinger Spider-Man and the irreverent mercenary Deadpool, whose contrasting personalities create chaotic chemistry.
35,000 works →
Common MCU Tropes
Popular Characters
Frequently Asked Questions
How many MCU fanfics are on AO3?
There are over 380,000 MCU fanfiction works on Archive of Our Own, making it one of the platform's largest fandoms.
What are the best MCU ships?
Popular MCU pairings include Stucky, Stony, IronStrange. Each ship has thousands of dedicated stories exploring their relationship.
How can I read MCU fanfiction on my phone?
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Read MCU on the go
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