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1. When the Fur Goes Flying by Crematosis

   Fandoms: The Avengers (Marvel Movies)  

   • Mature
   • Choose Not To Use Archive Warnings
   • M/M, Multi
   • Work in Progress

   05 Nov 2023

   Tags

   • Creator Chose Not To Use Archive Warnings
   • James "Bucky" Barnes/Steve Rogers
   • Steve Rogers/Tony Stark
   • James "Bucky" Barnes/Tony Stark
   • James "Bucky" Barnes/Steve Rogers/Tony Stark
   • Steve Rogers
   • James "Bucky" Barnes
   • Tony Stark
   • Natasha Romanov (Marvel)
   • Clint Barton
   • Bruce Banner
   • Pre-OT3
   • OT3
   • Mutual Pining
   • Fluff and Angst
   • Angst with a Happy Ending
   • Steve Feels
   • Cat Tony Stark
   • Body Modification
   • Animal Transformation
   • Hydra (Marvel)
   • Protective Steve Rogers
   • Flirty Bucky
   • Animal Instincts
   • Cat Brain

   Summary

   A Hydra scientist injects Tony with a transformation serum, attempting to turn him into a vicious beast that will kill Bucky and Steve. But Tony has never done what anyone expects. Steve and Bucky might be in danger after all. In danger of losing their hearts.

   Language:

   English

   Words:

   15,851

   Chapters:

   8/?

   Collections:

   6

   Comments:

   143

   Kudos:

   2,074

   Bookmarks:

   384

   Hits:

   32,385