Thicker Than Water

https://archiveofourown.org/works/82799566 by writingkay Peter’s life is turned upside when a biology project reveals to him that Richard Parker is not his father. Words: 1527, Chapters: 1/?, Language: English Fandoms: Spider-Man (Tom Holland Movies), Spider-Man - All Media Types, Marvel Cinematic Universe Rating: Teen And Up Audiences Warnings: No Archive Warnings Apply Characters: Peter Parker, Tony Stark, Aunt May Parker (Marvel), Pepper Potts, Avengers Team Members (Marvel), Michelle Jones (Marvel), Ned Leeds Relationships: Peter Parker & Tony Stark Additional Tags: Tony Stark Has a Heart, Tony Stark Acting as Peter Parker’s Parental Figure, Richard Parker is not Peter Parker’s Parent, Peter Parker is Tony Stark’s Biological Child, Peter Parker is Trying His Best, Hurt/Comfort, Emotional Hurt/Comfort, Angst with a Happy Ending read it on AO3 at https://archiveofourown.org/works/82799566