The Uterine War (And Other Design Flaws)
Peter Parker & Tony Stark AO3 Feed [Unofficial]
March 28, 2026
https://archiveofourown.org/works/81970026
by CryingButConsensually
“Workshop is closed. We’re going to the penthouse.”
Penny Parker is having a terrible day. The lights are too bright, the solder smells like garbage, and it feels like a super villain is practicing MMA on her lower back.
When Tony’s attempts to “fix” her mood result in a mortifying, tearful explosion about uterine linings and the unfairness of biology, Penny is sure she’s reached a new peak of embarrassment.
She expects awkward silence. She gets a billionaire who isn’t scared of a little biology, a heating pad, and a movie marathon.
A “lived in” Irondad one-shot about cramps, cocoa, and the reminder that being a hero doesn’t mean you have to be invincible.
Words: 1167, Chapters: 1/1, Language: English
Fandoms: Spider-Man (Tom Holland Movies), The Avengers (Marvel Movies), Marvel Cinematic Universe
Rating: General Audiences
Warnings: No Archive Warnings Apply
Characters: Peter Parker, Tony Stark
Relationships: Penny Parker & Tony Stark, Peter Parker & Tony Stark
Additional Tags: Irondad, Tony isn’t afraid of periods, Domestic Fluff, Fluff, Tooth-Rotting Fluff, Tony Stark Acting as Peter Parker’s Parental Figure, Female Peter Parker, Tony Stark Has a Heart, Peter Parker Needs a Hug, i can’t stop writing and i refuse to stop posting, Penny Parker is a Cinnamon Roll, Hurt/Comfort, Cozy, Found Family, poor penny is so embarrassed, But Tony is THE BEST :)
read it on AO3 at https://archiveofourown.org/works/81970026
Discussion in the ATmosphere