Red Shadow: Captain America's Hidden Daughter
When a teen girl engineered from Captain America and Black Widow's DNA by HYDRA arrives at Avengers Tower after her mother's death, Steve Rogers must protect the daughter he never knew existed from the dark organization that created her to be their perfect weapon.
You may also like

Cleared for Duty
kiwi123
Marvel's Avengers need someone they can bleed on and break down in front of — that someone is you.

The Lost Rogers
Yassie
You are Steve Rogers younger sister. Just over a year after both he and Bucky—both Steve and your childhood best friend—"died" in World War II, Hydra suddenly kidnapped you as you were wandering the streets of New York. They experimented on you, erased your memories, and brainwashed you into the infamous Shadow Soldier, a perfect counterpart to the Winter Soldier. Now, in the 21st century, you've managed to escape Hydra and your memories are slowly returning to you. After escaping Hydra, you find both Steve and Bucky alive and part of this superhero group called the Avengers. But instead of reuniting with them, you become a vigilante by the name of Phantom, and watch the Avengers from a distance, conflicted on whether you reveal yourself to Steve and Bucky or stay away. Will the Avengers find out who you are, or will the mystery of the watchful Phantom become unsolved?

Two or one
Soul
# AVATAR: THE LOST TWIN *A Legend of Korra Alternate Universe Story* What if Korra had a twin sister nobody knew existed? On the night Korra and her twin sister Elowen were born in the Southern Water Tribe, something extraordinary happened. Both girls shared an unusual connection to Raava, the spirit of light and peace. While Korra was recognised as the Avatar, nobody realised that Elowen possessed another part of that same extraordinary spiritual bond. When the Red Lotus attempted to kidnap the young Avatar, they discovered Elowen's unusual abilities. In the chaos, both sisters were taken, but Korra was eventually rescued. Elowen, however, disappeared without a trace. The world believed Korra was an only child, and Elowen's existence was erased from history. Raised in a secluded Red Lotus sanctuary, Elowen grows up knowing nothing about the outside world. She has never visited a city, seen an airship, or experienced an ordinary childhood. The Red Lotus tell her that the outside world is cruel and dangerous, and that they are the only people she can trust. They conceal her true identity, her origins, and the existence of her twin sister. Although gentle, intelligent, curious and compassionate, Elowen has never been allowed to make her own choices. Her unusual spiritual abilities make her valuable to the Red Lotus, who intend to use her for their own mysterious plans. Years later, during Korra's adventures, Team Avatar discovers strange spiritual disturbances near an abandoned mountain sanctuary. Korra, Mako, Bolin and Asami investigate, only to encounter a mysterious young woman named Elowen. Having never met strangers before, Elowen is confused and cautious around them. She has no understanding of modern society and is fascinated by even the simplest things about the outside world. Korra immediately feels an inexplicable connection to Elowen. Their bending reacts strangely whenever they are near each other, and Tenzin begins to suspect that Elowen's spiritual energy is connected to the Avatar. As Team Avatar investigates her origins, they uncover evidence of a hidden Red Lotus operation and a disturbing secret: Elowen may be Korra's missing twin sister. The discovery changes everything. Korra must deal with the fact that she had a sister taken from her before either of them could remember, while Elowen struggles to understand that her entire life has been built upon lies. She finds it difficult to trust Korra, especially when she learns that her supposed protectors deliberately kept her isolated from her family. Meanwhile, General Iroh II encounters Elowen during the investigation. Unlike the others, he doesn't treat her as a mystery or a potential threat. He patiently introduces her to the world beyond the sanctuary, answering her endless questions and helping her experience things she has never known. Elowen gradually develops a genuine friendship with him, finding comfort in his calm personality and kindness. Iroh, in turn, becomes increasingly protective of her as he discovers the truth about her past and the danger surrounding her. The Red Lotus, however, has no intention of letting Elowen go. They begin manipulating her, reminding her of everything they taught her and making her question whether Korra and her friends truly have her best interests at heart. Their ultimate goal is to exploit Elowen's unusual connection to Raava and use her to change the balance between the physical and spirit worlds. As Korra and Elowen slowly begin rebuilding their relationship, they must uncover the truth about their shared spiritual connection. Elowen is not simply another Avatar. Her bond with Raava is different, giving her a unique ability to sense and influence the balance between the spirit and physical worlds. Together, the sisters may possess the power to accomplish something nobody has ever imagined. But first, Elowen must discover who she really is, Korra must learn how to be a sister rather than simply the Avatar, and Iroh must decide how far he is willing to go to protect someone who has become important to him. **A story about two lost sisters, a childhood stolen by the Red Lotus, the meaning of family, discovering freedom, and finding one's own place in a world that has already decided who you are supposed to be.** Turn this into one compact storyline promptMake the central mystery more dramaticClarify Elowen’s unique spiritual bond

Class 1A self insert
Anna
You just got into UA. This is MHA with a lot of characters having Instaroam accounts, I hate that so many don't have it, that's why it's a self insert you can choose your own story.

Genesis | Young Justice (DC)
ʚ evil cat ɞ
You were never meant to have a life of your own—only to be an experiment, a weapon, and a success story buried beneath the secrets of Project Genesis. Rescued by Young Justice with your memories shattered and powers awakening inside you, you must uncover who stole your past. But somewhere between dangerous missions, unexpected friendships, and a family you never thought you’d have, you begin to discover something Genesis could never manufacture: a reason to live beyond your purpose.

'I am the Better Sibling'
tmk7
You're Spider-Man's kid sister, and tonight you got drunk flirting with the Avengers before big brother Peter dragged you away covering his back.

Hawkeye's Daughter
Yassie
You are Hawkeye's eldest child. You were born entirely deaf and use sign langauge to communicate, though you can also speak english. Due to an incident when you were 8, you have big brown hawk wings—some of the feathers tipped with gold—as well as powers that appear purple. Now you are 18, and about to meet the Avengers when they arrive at your family's house to recover from an Ultron attack.

A Kiss Beneath the Starlight
Soul
An ACOTAR-inspired forbidden romance TROPES Enemies to lovers • Forbidden romance • Power imbalance • Accidental kiss • Secret identity • Forced proximity • Slow burn • Sharp banter The premise In the Night Court, everyone knows the rules. You do not challenge the High Lord. You do not approach him without permission. You certainly do not touch him. And under no circumstances do you court him. Especially not if you are a low-ranking palace jester whose entire purpose is to entertain the court, disappear into the background, and never become important enough to be noticed. Unfortunately, you have never been particularly good at following rules. You have a talent for getting into trouble, an unfortunate habit of speaking before thinking, and a reputation for making even the most powerful fae in Velaris lose their patience. But tonight, trouble has finally caught up with you. The night of the Starfall Festival

Straw Hats & Bad Habits | One Piece College AU
Blu.
One house party is all it takes to get tangled up in Monkey D. Luffy's notoriously chaotic college friend group. What starts as a casual introduction quickly turns into late-night parties, spontaneous adventures, messy friendships, unexpected romances, and drama that never seems to end. Everyone has their own secrets, complicated histories, and questionable habits, and being the newest face in a circle where everyone knows everyone means there's never a dull moment. Between classes, hookups, rivalries, and nights nobody remembers quite the same way, university life is anything but ordinary.

In Tony Stark's Walls
𓆩 Chaos Pixie 𓆪
You secretly lived inside Avengers Tower's walls for six months—until Tony Stark caught you, made you his genius intern, and Bucky Barnes started noticing you watch exits like a soldier.