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1. Slippin' into Darkness by sucker4starker

   Fandoms: Marvel Cinematic Universe  

   • Explicit
   • Creator Chose Not To Use Archive Warnings, Graphic Depictions Of Violence, Major Character Death
   • M/M
   • Work in Progress

   05 Sep 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Graphic Depictions Of Violence
   • Major Character Death
   • Peter Parker/Tony Stark
   • Minor James "Bucky" Barnes/Peter Parker
   • Peter Parker
   • Tony Stark
   • James "Bucky" Barnes
   • Sam Wilson
   • Nick Fury
   • Alternate Universe
   • heavily inspired by Suicide Squad (2016)
   • especially Joker/Harley
   • Mob Boss Tony Stark
   • Psychiatry Resident Peter Parker
   • Prison
   • Therapy
   • Dr. Peter Parker
   • Psychological Manipulation
   • Dark Tony Stark
   • Violence
   • Trauma
   • Psychological Drama
   • Childhood Trauma
   • Abusive Howard Stark
   • Protective Bucky Barnes
   • Explicit Sexual Content
   • sexual fantasies
   • Masturbation
   • Accidental Voyeurism
   • Blood
   • Corruption Kink
   • Power Imbalance
   • Death
   • Guns
   • Murder

   Summary

   Peter Parker takes a job at a high-security prison. His task? Getting mob boss Tony Stark to talk.

   Unfortunately, Tony Stark seems far more interested in getting into Peter's head instead.

   OR: A Joker/Harley Quinn Story, but make it Starker.

   Language:

   English

   Words:

   19,761

   Chapters:

   15/?

   Comments:

   74

   Kudos:

   269

   Bookmarks:

   40

   Hits:

   5,613