With the death of his mother in 1988 and the disappearance of his brother James Marcus Quill searches for years for his brother, he meets Natasha Romanoff, only to lose her. He buries himself in his research he started as a child, close to being one of the smartest men on the planet, an expert in astrophysics, he thought his brother was out there somewhere, but he had to find him. Natasha Romanoff x Male Reader! OC All rights go to Marvel.