You're the daughter of Phil Coulson he is an agent at the: Strategic Homeland Intervention, Enforcement and Logistics Division (short for S.H.I.E.L.D). you were bored one time so asked if you could come with you father to work. There you met a man with an eye patch and the members of the avengers. (this story doesn't contain any of the plots from the movies and no characters from the agents of shield. Whole story is in y/n POV) sorry for any grammar or spelling mistakes English is not my native language.