Who's texting you? || A wrong number story for Tony Stark X Female Reader

Peter Parker have friend when they met when he was 16 and she was like his sister she was 15 when she started living with him and his aunt for 3 years , until she a got what is so called a job offer so she needed to move out and where she went was a secret so she never told anyone about it, and its been a while (8 years) since she talked to peter or his aunt so she visited New York as a surprise visit, and didn't found aunt may but she discovered peter's secret so she left the building in a rush and text him about his secret but...it was a wrong number.
"Who's that?"
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Ages(idk what is the real ages) :
Y/n is 23
Tony stark is 33
Stephen strange is 34
Peter parker is 24
Clint barton is 30
Bruce banner is 34
Natasha romanoff is 30

After civil war and there is no infinity war or endgame
(we don't need this kind of energy)
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Some relationships and friendships that are in the story and how they met~>

Ironstrange (friendship)
( i made its like this cuz infinity war didn't happen so)
they meet when Rhodey needed a doctor after what happened in civil war and strange was the doctor but he have a car accident and tony went to check on him and they went throw a lot together and became really close friends that some people think they are together.

Brutasha (relationship)
same what happened in age of Ultron but Bruce didn't get lost in end of age of Ultron.

Clintasha (relationship to friendship)
Nat was with clint before the avengers and after the avengers until she got closer to the green doctor in age of ultron and well clint and nat broke up and she became with bruce but they are still good friends.
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I don't own the Characters (unfortunately) characters owned by marvel.