Phase 1 theme:

She's an ex-hydra Agent with a death wish. After years of being stuck with Hydra under their mind-control doing anything for them against her will, she finally escaped with one thing on her mind. 'I want to make the world a better place.'

Natasha Romanoff, an ex assassin with many problems of her own, see's a potential in the Hydra Agent. She was the only one that saw potential.

These two people come together to defeat a great evil and defy all of the odds stacked against them. Will they come out of it together?

Pre Age of Ultron -> Post Endgame
Natasha Romanoff x Fem!OC
GxG