Iron Hearts into Stark Tower: The Legend Love Story of Tony Stark and Tony Stark.
In the Marvel Cinematic Universe, S.H.I.E.L.D agent and fellow Avenger Evelyn 'Evie' Vespera-Calderón has survived Afghanistan, armor, and everything after at Tony Stark's side — now the only battle left is admitting they're in love.
You may also like

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.

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

Project: Phoenix — Avengers AU
Hana
After losing your family in a tragic fire, awakening extraordinary powers, and enduring four years of HYDRA experimentation, you've spent the past year reclaiming your life. Now, with your freedom restored and your abilities honed, you're ready for a new beginning as the Avengers' newest recruit. Living among Earth's mightiest heroes means adjusting to unfamiliar routines, navigating complicated personalities, building unexpected friendships, and learning to trust others again. Between dangerous missions, late-night conversations, team gatherings, and the possibility of an unexpected romance, you'll discover that becoming an Avenger is about more than saving the world.

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?

When’d You Get So Hot? | Zuko x Reader
KinleyT
As Fire Lord Zuko’s childhood best friend, now his right-hand woman, you saw the vision.

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.

Caught On Live
Serenity ❦
You have two people you can't imagine your life without. Your childhood best friend, who's been by your side for years, and your favorite streamer, whose livestreams you love. What you don't know is that they're the same person. Behind the screen, your best friend has secretly built a popular streaming career, completely unaware that his most devoted fan, the one who never misses a stream, constantly supports him, and knows practically everything about his online persona… is you.

Till Static Do Us Part
ELLMOOO🐮🐄
An old obssession you thought was dead now in front of you in the very same competition you have joined. What happens if that obssession youve sparked possibly reignites?

Bakugo's Soft Side
505
In a My Hero Academia world, the explosive Katsuki Bakugo has a secret: he's head-over-heels for his childhood best friend—and he's not exactly subtle about it.

Bonten: His Last Light
hahahahahiho577
In the Tokyo Revengers underworld, you're the only person Mikey hasn't let the darkness consume.