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Lost gloves and a simple thank you lunch leave Rio questioning everything she's ever known and puts Agatha at risk of losing everything
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The Carol (2015) AU -
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an #AGATHARIO fanfiction that delves in a universe where Rio Vidal is, yet again, unchosen.
- Language:
- English
- Words:
- 3,731
- Chapters:
- 1/1
- Kudos:
- 3
- Hits:
- 31
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you’ve lost a lot of blood by yezzaklkc
Fandoms: Agatha All Along (TV), WandaVision (TV), The Vampire Diaries (TV)
25 Jan 2026
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“So that is the doppelgänger you told me to distract. The one your ex — Agatha, was it? — is protecting, from you. You guys look exactly alike…”
“Oh really, Sherlock, did you need more time cracking the case?”
“…But how come she’s… cuter than you?”
“You still don’t want me to kill you, right? Because I’m getting mixed signals here.”
Rio and Agatha used to be secret lovers centuries ago. Rio turned Agatha into a vampire, so they would never have to be separated.
But then Agatha found out about what Rio did to the Maximoff twins years before meeting her. How she used them, got them both to fall in love with her. And how when she needed to disappear again, running from her enemies, got the brother killed and the sister turned against her will, in order to ‘save’ Rio.
After that, she couldn’t believe Rio’s love for her to be true, either.
They never saw each other again, until the universe brought Agatha back to Salem, to a woman who looks just like Rio, only she’s not the woman she once loved and now hates. When Rio finds out, she sets out to paint that universe with blood.
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"She belonged to this coven by blood and birth, and she was welcome in this community, but her fate was no better than one of a lonely witch wandering about. Agatha was a witch in a coven, yet she was coven-less."
The story of young Agatha, how she found her magic and her place in the world - and the
womancosmic entity that would be the biggest love of her life, and her doom. -
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"You know what? I think I have someone who can head over right now, if that works for you. She's a seasoned vet at this job."
Agatha doesn't know what to say. She expected to have to make an appointment. To have a few days to worry and change her mind. To cancel.
"That sounds perfect, thank you."
Fuck.
Or: Grieving her son, Agatha's friends suggest a professional cuddling service to help her cope. The cuddler is gorgeous, of course.
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Only the Strong Catch Her: Let the Alpha's Run by loaklive1972
Fandoms: Agatha All Along (TV)
25 Jan 2026
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After a triggering situation, Agatha has decided she wants to start a family but only with the strongest Alpha, one who will protect fiercely. To find them, she plans to enter the infamous Omega Chase, much to her friends’ dismay.
Rio is an Alpha and one of Agatha’s long-time friends, she has kept her strength hidden worried that giving in to her possessive instincts could ruin their friendship or risk her losing Agatha entirely.Will Rio finally let her wolf run free… or will fear and control keep her from what she truly desires?
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Rio Vidal, self-made millionaire, is a partier with a bad drug and alcohol habit. She is saddled with custody of her niece Valentina when her brother and his wife pass away unexpectedly. She hasn't spoken to her family for 15 years and wants nothing to do with the 17-year-old on her doorstep.
Agatha Harkness is a struggling single parent to teenage son Nicky. She works two jobs to make ends meet and still always makes time for her son. When he befriends a new girl at school with some behavioral challenges and asks for her help, Agatha lets the girl into her home and picks up Rio's slack caring for her. She doesn't mind being a de facto guardian, but if there's one thing she's determined about, it's to talk (or knock) some sense into Rio Vidal.
Rio is three Negronis in when her phone rings, and she can barely hear it over the pulsing music of the club; barely feel it over the bass pounding in her chest. “Yeah?” she shouts, putting the phone to her ear.
It’s somebody saying she’s inherited a kid. Her niece or something. Yeah, right.
“Okay, good one buddy. Sure, whatever.”
And she hangs up.
Orders another drink.
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Wedding Night by lucid-heart (FreeArchive)
Fandoms: Marvel Cinematic Universe, Agatha All Along (TV)
25 Jan 2026
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You and Agatha arrive to your hotel after your wedding and spend your first time together.
{Agatha x Reader}
Series
- Part 4 of Tumblr Requests: Misc
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After losing a patient, the guarded Dr. Agatha Harkness leaves Boston General for the quieter halls of Westview General Hospital. Small-town life isn’t easy for someone who’s built her walls high... until a certain firefighter makes her heart stir in ways she thought she’d forgotten.
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Agatha and Rio's one-night stand has disastrous consequences.
Modern Day, Witchy, and an undisclosed other that you will have to work out for yourselves otherwise it ruins the entire fic AU.
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Avoiding parties, you get to know a powerful witch.
- Language:
- English
- Words:
- 1,499
- Chapters:
- 1/3
- Kudos:
- 3
- Hits:
- 47
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Rio steps into her room, turns around, and delivers her coolest: “See you never, Harkness!” before slamming the door hard enough to make the old and badly maintained handle clatter to the floor.
“Gosh darnit!”
OR: Rio accidentally moves in with her old school bully -
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Aos 30 anos, Rio Vidal não é apenas uma piloto de Fórmula 1 - é uma lenda, a "Lady Death" das pistas. Mas sua vida desregrada e marcada por escândalos sofre uma reviravolta inesperada quando uma petição judicial a obriga a encarar o passado: uma mulher que ela não recorda afirma que Rio é mãe de um menino de oito anos.
No tribunal, não há como negar a verdade refletida no rosto da criança.
- Language:
- Português brasileiro
- Words:
- 6,868
- Chapters:
- 1/?
- Collections:
- 1
- Hits:
- 19
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Agatha, an 18-year-old omega, has everything her unlimited credit cards can buy and a spoiled attitude. After a nasty prank, her frustrated father sends her to a boarding school in England.
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The Young Avengers by MarvelComics22
Fandoms: Marvel Cinematic Universe, The Marvels (Movie 2023), The Falcon and the Winter Soldier (TV), Hawkeye (TV 2021), Doctor Strange (Movies), Ms. Marvel (TV 2022), Black Panther (Marvel Movies), Agatha All Along (TV), Agents of S.H.I.E.L.D. (TV)
24 Jan 2026
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Kamala Khan assembles a team to rescue her friend, Monica Rambeau, from the alternate universe she's trapped in.
Series
- Part 4 of The Avengers Chronicles
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Always the one to dominate, Lilia levels the playing field and offers a challenge. What is on the card? You have to find out, but Lilia won't make it easy.
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I see you, you're walking 'cross the campus by Queerenough
Fandoms: Agatha All Along (TV)
24 Jan 2026
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Agatha’s never let her being an omega hold her back in academia. Honestly, she had everything so under control that it was almost as if her designation didn’t exist. Until, of course, she’s assigned an alpha TA who smells like petrichor, warm vanilla, and Agatha’s own personal downfall.
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Keep My Eyes Open by How_Deep_the_Grave
Fandoms: Agatha All Along (TV), Marvel Cinematic Universe, Marvel (Comics)
23 Jan 2026
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Hired to oversee the security team of actress Agatha Harkness, Rio Vidal immediately finds herself thrown into the deep end.
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Wild and Free by How_Deep_the_Grave
Fandoms: Agatha All Along (TV), Marvel Cinematic Universe, Marvel (Comics)
23 Jan 2026
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Montana Territory, 1881. Life is hard out on the range for anyone, but particularly for a female alpha who flouts societal expectations by working as a ranch hand. Rio Vidal is looking to settle down after one more big cattle drive, hoping to lead a peaceful, happy life. An unfortunate encounter in a saloon leaves her under the care of a doctor. This also leads her to encounter omega schoolteacher Agatha Harkness. A few days might just change everything for both of them.
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“Oh, and one more thing.” Her tone shifts almost instantly. “I loved Dawn, but let's be real—you were a terrible crier.”
Agatha’s mouth falls open.
“Like, really terrible. Your tears weren’t even and your sobs sounded awful. I didn't know if you were acting or having a stroke. It was honestly painful to watch.”
This little shit.
“I’ve always wondered how you won that Emmy.. Was it a pity prize?” She blinks at Agatha with feigned innocence as if she did not just verbally eviscerated the older woman before her.
“Anyway,” She continues breezily without missing a beat, “I’m Rae.”
Agatha snaps and grabs the opportunity by clearing her throat, desperate to redeem herself. “Right. Rae.” She lets the name roll on her tongue. “Is it short for.. 'Rae-who-should-really-watch-her-mouth-around-adults,' that Rae?”
“No.” Rae smirks. “It’s short for.. 'Rae-the-daughter-you-gave-up-for-adoption-sixteen years-ago,' that Rae.”
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Agatha’s world turns upside down when a young girl named Rae claims to be the daughter she abandoned—all unbeknownst to Rio, Rae’s adoptive mother.