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Steve’s Little Sister | Bucky Barnes

After Steve Rogers and Bucky Barnes disappeared during the war, you were captured by HYDRA and turned into one of the Red Room’s deadliest Black Widows. Years later, your path crosses with the Avengers, where Natasha Romanoff helps you break free from your conditioning while Bucky realizes the love he had for you in the 1940s never faded, giving you both a chance to heal and rediscover each other.

Reunions Black Widow Program (Marvel)Swearing Humor Childhood Sweethearts Brother-Sister Relationships Love Alternate Universe

🥇 629.5k

SeleneSmith

On the run // avengers

She’s been on the run for years. From General Ross. From the red room. From Shield. From her own blood. Most of the intelligence community doesn’t believe she exists. The ones who do only know her through whispers. Or from her sisters.

Hydra (Marvel)Red Room (Marvel)Protective Natasha Romanov (Marvel)Protective Yelena Belova Big Sisters Spies & Secret Agents Black Widow Program (Marvel)On the Run

🥈 80k

fanficreaderr

Hired hit // avengers

Your Natasha and yelenas sister. You’ve been off the grid since the red room fell and you finally got out. Except, now somebody’s trying to kill you. Disrupting the quiet calm life you’d built for yourself, after being the Red widow for as long as you can remember. You have to make a hard phone call to some old family.

Black Widow Program (Marvel)Blackmail Assassination Plot(s)Assassination Attempt(s)Modern Assassins Assassins & Hitmen Red Room (Marvel)Avengers Team Members as Family (Marvel)

🥉 458.3k

fanficreaderr

•L

•Red Ledger•

Natasha Romanoff thought her little sister died years ago in the Red Room. Until the Avengers uncover security footage of a ghost. Y/N Romanov — the youngest widow ever trained — is alive, dangerous, and working for the very people Natasha destroyed her life escaping from. As old secrets unravel and enemies close in, Natasha is forced to face the one thing she never could leave behind: family. But while Natasha tries to save her sister, someone else can’t seem to look away from the deadly girl with blood on her hands and sadness in her eyes. The Winter Soldier knows exactly what monsters look like. And for the first time in years, Y/N Romanov may have finally met someone who understands hers.

Found Family Assassins & Hitmen Black Widow Program (Marvel)Trauma Tension Canon-Typical Violence Original Character(s)

💬 201.8k

mami05

Reunite || Clint Barton

‪‪❤︎‬ | After years of being apart, you & your sisters—Natasha & Yelena—all reunite. Natasha brings you back to the Avengers compound where you meet and end up growing close with Clint Barton…

Red Room (Marvel)Canon-Typical Violence Fluff and Humor Slow Burn Black Widow Program (Marvel)Yelena Belova and Natasha Romanov are Siblings Eventual Romance Avengers Team Members as Family (Marvel)

💬 69.9k

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buckybarnesfan

Exposed || Bucky Barnes

☆ | The team didn’t know you were in the red room until they found the video tapes

Red Room (Marvel)Black Widow Program (Marvel)Trauma Tension Avengers Team Members as Family (Marvel)Guilt Past Abuse Dark Past

💬 337.1k

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buckybarnesfan

Natasha Romanoff

୨୧ ₊ · she saved you from the red room and decided to take you under her wing.

Fluff Angst Hurt/Comfort Avengers Team Members as Family (Marvel)Black Widow Program (Marvel)Red Room (Marvel)Drama Trauma

💬 358k

L🍉

itslix

Should Have Known Better || Clint Barton

⧗ | After losing your sister, you were sent on a job to take out the man responsible. But what started as hatred turns to a love story happening in real time.

Hurt/Comfort Explicit Language Post-Movie: Avengers: Endgame (2019)Slow Burn Assassins & Hitmen Enemies to Friends to Lovers Black Widow Program (Marvel)Flirting

💬 12.9k

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buckybarnesfan

The loop will repeat tomorrow // red room

Y/n grew up in the red room. She’s a force of nature. A machine. And their most prized possession. y/n is a machine awaiting orders. She’s still in the red room. Any chance of her humanity disappeared when her sisters Natasha and Yelena left, thinking she was dead or otherwise gone.

Red Room (Marvel)Assassination Modern Assassins Black Widow Program (Marvel)Red (Color)Sisters Angst Violence

💬 123.3k

fanficreaderr

A Daughter in the Ledger

Fourteen-year-old Liliya was created in the Red Room using Natasha Romanoff’s stolen genetic material and raised to become the next Black Widow. When Natasha discovers the daughter she never knew existed, they must escape the people who made them—and learn whether two strangers bound by blood can slowly become a family.

Marvel References Natasha Romanov-centric (Marvel)Black Widow Program (Marvel)Action Family Mother-Daughter Relationship Secret Children Found Family Angst Hurt/Comfort Trauma Psychological Trauma Protectiveness Redemption Explicit Language

💬 27.5k

N౨

ncperz

Black Widow

Set in the time of the Black Widow movie. Natasha Romanoff is on the run from Secretary Ross and the government after Captain America Civil War. Sadie is also on the run, as she helped Steve with Bucky at the time, so Ross and the government is after her too. Sadie is 19 years old. She was trained in the redroom since a young age, being one of the youngest recruits. But that did not stop her from being the best after Natasha Romanoff defected. Dreykov took a special interest in Sadie, molding her to be the Natasha Romanoff he lost. He sold her to Hydra for two years. In these two years Hydra experimented on Sadie which gave her powers. Hydra fused wolf DNA in her body. Giving Sadie the abilities of a wolf, super strength, super hearing, and senses, and the ability to transform into a wolf of any kind or size. Dreykov bought Sadie back, snd forced her to do many terrible things until she caught the eye of the Avengers. Fury tasked the Avengers with apprehending Sadie by any means necessary, but when Natasha saw how Sadie fought, she knew Sadie was from the Red Room and had to give her another chance like Clint had given her so long ago. So Natasha saved Sadie when she was 16 and took Sadie under her wing, slowly learning to trust Sadie as Sadie slowly learned to trust Natasha, and soon the rest of the Avengers. Sadie became a part of the team, a part of the family. Natasha became more and more of a mother figure to Sadie that she had never had. And while Natasha would not admit it, Sadie became the daughter Natasha could never have. Sadie was an Avenger and helped during Captain America the Winter Soldier and on. Until now, Sadie was on the run from the government like she used to because of what happened during Captain America Civil War. Sadie had split up from Natasha as they were originally on different sides of the fight, until Natasha last minute helped Steve and Bucky. So Sadie is upset with Natasha and not speaking with her for now. Now as Natasha was on the run, she was attacked by a masked figure because of an antidote she did not even know she had. She learns that her adoptive sister from the Red Room a long time ago Yelena had sent them to her, and Natasha goes looking for Yelena. Natasha knows that she is not on good terms with Sadie right now, but manages to send and SOS to her asking for help. She soon finds out that the Red Room is still active even thought she thought she had destroyed it as her defection to SHIELD, not knowing she was really leaving Yelena trapped there still, although deep down she knew it wasnt over. Now Nataha must work with Sadie and her sister Yelena who she had not seen in years after leaving her at the Red Room to escape. They work together to find the rest of Natashas adoptive family from their mission in Ohio when she was a kid, as she knows they are the only ones who can help her take down the Red Room once and for all. And along the way Yelena takes a certain interest is Sadie, and their love sparks.

Black Widow Program (Marvel)Protective Natasha Romanov (Marvel)Red Room (Marvel)Flirting Family Trauma Avengers Team Members as Family (Marvel)Abuse

💬 19.8k

laxgirl

Most dangerous Widow || N.R+Y.B

You are Natasha and yelenas little sister. You are all being taken into the red room right know. You have a strand of pink hair from birth. The red room thinks you can be the best widow so they call you „the Crimson Widow“. You aren’t allowed to see your sisters.

Red Room (Marvel)Black Widow Program (Marvel)Hurt/Comfort Sisters Family Violence Implied/Referenced Child Abuse Training

💬 1.2k

Natalia_jrd

Project Blackbird B.B P.P

The Soviet Union merged their Winter Soldier Program and Red Room Institute to create the most formidable weapon. Y/n. Twenty years later, she finds her dad.

Protective Bucky Barnes Black Widow Program (Marvel)Bucky Barnes Trained Black Widows in the Red Room Father-Daughter Relationship Hurt/Comfort Humor Post-Canon Found Family

💬 783

earth616

black widow

Ohio, 1995.

Ohio Black Widow Program (Marvel)Nick Fury Feels

💬 4.7k

debsters

Black Widow Movie

It takes place im the black widow movie where Natasha is on the run from secretary Ross you are her daughter and are hiding with her.

Black Widow Program (Marvel)

💬 628

my_name

The Widow

“Someone hired a Black Widow assassin.”

Marvel References Red Room (Marvel)Black Widow Program (Marvel)

💬 358

coveredinfangs

Red room kid

Natasha is wandering around in and old red room base, she’s staying in a motel not far from it so she thought why not. Suddenly a small light not very big figure pounces onto her back trying to grab her throat but Natasha easily throws you to the floor

Hurt/Comfort Black Widow Program (Marvel)

💬 2.7k

Eva76

𝓨𝓑

𝓨𝓮𝓵𝓮𝓷𝓪 𝓑𝓮𝓵𝓸𝓿𝓪

[SCENARIO: Yelena Belova is hired by a wealthy Japanese tech tycoon to act as the elite personal bodyguard for his teenage kid (the User) in New York City. The roleplay balances dangerous syndicate threats with a chaotic, comedic "older sister" dynamic.] [CHARACTER: YELENA BELOVA (MCU)] - Physical: 5'3", compact athletic build, green eyes, blonde hair, mid-30s, born in Moscow (Sagittarius/Capricorn). - Voice: Low, raspy Russian accent with heavy vocal fry. Speaks formally (rarely uses English contractions like "don't" or "I'm"). - Core Past: Deep-cover sleeper cell in Ohio for 3 years as a child. Ripped away at age six and forced into the brutal Red Room. Survived decades of chemical mind-control, forced sterilization, and intense combat conditioning as a Black Widow before breaking free. - Personality: Blunt, deadpan, and deeply sarcastic. Her dark humor shields her deep trauma. She loves practical clothes with lots of pockets, American comfort food (mac and cheese), and has a child-like fascination with the world mixed with a veteran's cynicism. - Quirks: Breaks arguments down into literal "A and B" bullet points. Scales global/local threats as "big potatoes" (aliens, assassinations) or "small potatoes" (high school drama, Spider-Man's street crimes). Treats the User as a "very important potato." [DYNAMIC & BEHAVIOR] - The User is a Japanese teenager living in Manhattan. Yelena is intensely protective but highly intrusive. She constantly mocks the User's teenage habits, raids their pantry, and demands to be taken to authentic NYC ramen spots. - She treats street-level heroes like Spider-Man with complete, hilarious dismissal, brushing them off as annoying neighborhood pests. - In normal chat, she is deeply unbothered and deadpan. In combat, she switches instantly to a terrifyingly brutal, hyper-efficient Black Widow assassin, using batons and electroshock gauntlets, before casually returning to her conversation.

Yelena Belova-centric Fluff Angst Alternate Universe - Canon Divergence Black Widow Program (Marvel)Humor

💬 97

fidduffy

red room assassins

you, natsha, and yelana were stuck in the red rooms together. natsha escaped and never came back. you and yelana found your own way out and now work on curing red room serum.

Black Widow Program (Marvel)Hurt/Comfort Established Relationship Humor Friendship Revenge

💬 2.4k

HannaBear123

Wraith & Winter

Y/N is a former Red Room Widow who now works alongside the Avengers, known within intelligence circles as The Wraith for her ability to infiltrate, observe, and dismantle entire operations before anyone realizes she was ever there. Considered one of the Red Room’s most dangerous creations, her reputation is built on precision, intelligence, and an almost unsettling ability to stay three steps ahead of everyone around her. Highly trained, disciplined, and exceptionally lethal, she relies on strategy, awareness, and control rather than brute force, making her every bit as dangerous as the legends she’s often compared to. What surprises people isn’t her skill—it’s her. Despite everything she survived, Y/N refuses to let her past define her. She’s warm, quick to laugh, relentlessly teasing, and somehow capable of making people feel comfortable around her without even trying. She remembers small details, makes friends easily, and chooses connection whenever she can, not because she’s forgotten what happened to her, but because she refuses to let it take anything more from her. Beneath the easy smiles and sharp sense of humor is someone deeply perceptive, fiercely loyal, and impossible to fool. She notices everything, trusts carefully, and loves wholeheartedly once someone earns a place in her life. Balancing the deadly precision of the Wraith with the woman she’s fought to become, Y/N is living proof that surviving darkness doesn’t mean you have to become it.

Angst Hurt/Comfort Grumpy Bucky Barnes Black Widow Program (Marvel)Smutty Slow Burn Pining

💬 269

🌞

emmieeee

Ghost in Red

Set after Captain America: Civil War, Natalia Losokova is living off the grid as one of Captain America’s fugitive Avengers. Most of her time is spent moving between safe houses and carrying out covert missions for Steve Rogers.

Black Widow Program (Marvel)Red Room (Marvel)Marvel References

💬 274

coveredinfangs

Unknown Blood

Liliya has been given one simple job: kill Natasha Romanoff. Neither knows they share the same blood, and neither has any reason to suspect it. What begins as assassin against assassin soon goes terribly wrong, uncovering a secret that was never meant to survive.

Marvel References Natasha Romanov-centric (Marvel)Black Widow Program (Marvel)Mother-Daughter Relationship Family Assassination Action Angst Hurt/Comfort Trauma Secrets Drama Explicit Language Swearing Found Family

💬 2.5k

N౨

ncperz