Sirius found baby Harry first and asked the Black Widow to keep an eye on him while he dealt with Peter. Unfortunately, he never came back and Harry Potter disappeared from the wizardly world. Ten years later, Yasha Romanov receives a letter from Hogwarts...Rated T to be safe.

Clarke is in solitary, slowly driving insane from being isolated from everyone, but it all changes when security guard Bellamy Blake gets assigned the job of bringing her a tray of food three times again and he tries to make it easier for her (occasionally smuggling art supplies and thin books)

Natasha painted and framed pictures, and Clint did whatever to make ends meet. They were just normal people. Except for the fact that sometimes he picked locks and broke into businesses. And she definitely maybe was a retired con artist with a bounty on her head, set by her vengeful uncle. Just normal people. (con artist au)

Black Widow decides to take Captain America's love life by the shield... but the Russian super-spy may be in over her head because Steve Rogers isn't her usual mark. - "Who do you want me to be?" Starts in Winter Soldier and will move beyond. Steve/Natasha

When a high school history teacher takes her sophomore class to the Smithsonian, she doesn't expect to meet Captain America. So, naturally, she wasn't going to expect anything that followed. Post-Avengers

And it was a wonder how they even managed to work in the first place, given all they had ever told each other were nothing but lies. [Mr. & Mrs. Smith AU]

How much trouble can a little, blue cube and an Asgardian trickster god be? (Sequel to Hermione Granger: Agent of SHIELD)

After a series of worrying events occur in the Muggle world, Kingsley Shacklebolt finally grants Nick Fury's request to provide a magical liaison to work with S.H.I.E.L.D. (Set BEFORE first 'Avengers' film.)

After the game-changing events of Cap 2, Black Widow has only one mission: find Hawkeye. With S.H.I.E.L.D. [well, you know], and Barton's mission compromised, how will Natasha be able to find him in time?

AU where Clarke is the daughter of an important scientist. When her family is threatened by terrorists, secret service agent Bellamy Blake is appointed as Clarke's bodyguard. Only, he's also appointed as Clarke's fake boyfriend.

Natalia Alianovna Romanova. Black Widow. This is Clint Barton's mission. Until he breaks her arm in two places and winds up making a decision that will change his life, his career, and his entire world forever. As Natalia Romanova becomes Natasha Romanoff, she must learn to adjust to SHIELD, her past, and this man with the bow and arrow who calls himself Hawkeye.

Moments. They make or break relationships. Lily didn't just happen to fall in love with James. It wasn't an accident, but a long drawn out process that grew out of the relationships of the people around them. And when it came down to it, even Lily and James couldn't fight fate.

Agent Clint Barton is plagued by doubts about himself and the nature of his job. Assassin Natasha Romanoff is living a lie that cannot last. Though they fight for opposing sides, they are both among the best in their deadly profession. What will they find in each other when they inevitably clash? Story begins five years before Iron Man.

Captured and made to cross a line they swore they would never cross, Natasha and Clint go through their toughest challenge yet. BlackHawk eventual HEA. Warnings are listed in each chapter, so please read carefully. Now Complete.