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1. Public Bookmark 33

   Side Effects by The_Half_Blood_Guardian

   Fandom Marvel Cinematic Universe, Spider-Man (Movies - Raimi), Spider-Man (Tom Holland Movies), Spider-Man - All Media Types, The Amazing Spider-Man (Movies - Webb)

   • Not Rated, Teen And Up Audiences, General Audiences
   • No Archive Warnings Apply, Graphic Depictions Of Violence, Creator Chose Not To Use Archive Warnings
   • Gen, F/M
   • Series in Progress

   25 Oct 2025

   • No Archive Warnings Apply
   • Graphic Depictions Of Violence
   • Creator Chose Not To Use Archive Warnings
   • mentioned Peter Parker & Ben Parker
   • mentioned Peter Parker/Mary Jane Watson - Relationship
   • Peter Parker/Gwen Stacy
   • May Parker (Spider-Man) & Peter Parker
   • Peter Parker & Gwen Stacy (The Amazing Spider-Man)
   • Peter Parker/Gwen Stacy (The Amazing Spider-Man)
   • Peter Parker
   • Mary Jane Watson (Mentioned)
   • Harry Osborn (mentioned)
   • Ben Parker (mentioned)
   • Minor Characters
   • Gwen Stacy
   • May Parker (Spider-Man)
   • Curt Connors
   • Gwen Stacy (The Amazing Spider-Man)
   • Glossary
   • Nonhuman Biology
   • Spider Biology
   • Spider Behaviors
   • Spider traits
   • no I am neither a doctor nor a biologist
   • but the amount of research I've done for this series is ungodly
   • it was worth it though
   • this series will probably be about as close to scientifically accurate as Marvel fanfiction gets
   • works are not necessarily in chronological order
   • Animal Instincts
   • spider behavior
   • Peter Parker Acts Like a Spider
   • Nonhuman Vocalizations
   • Fangs
   • venom (not the character)
   • Minor Character Death
   • Cannibalistic Thoughts
   • no actual acts of cannibalism occur
   • Loss of Control
   • Altered Mental States
   • Aggression
   • Blood
   • Horror Elements
   • Takes place during the first movie
   • Fluff
   • Purring
   • (is it really AU if it's never confirmed that he CAN'T do it?)
   • set between the first and second movies
   • Alternate Universe - Canon Divergence
   • in that Captain Stacy never made Peter promise to stay away from Gwen
   • I just want these two to be happy!
   • Everything is Beautiful and Nothing Hurts
   • Fight or Flight
   • Good Parent May Parker (Spider-Man)
   • she's doing her best with what information she has
   • Pre-Movie: Captain America: Civil War (2016)
   • Attempted Sexual Assault
   • (it gets nipped in the bud but it's there)
   • Animal Traits
   • Peter's spider side really doesn't like the Lizard
   • Alternate Universe
   • (Captain Stacy never makes Peter promise to stay away from Gwen)
   • takes place before TASM 2
   • hunger
   • could be considered disordered eating?
   • tagging it just in case
   • Eating Disorders
   • Vomiting
   • Animal Death
   • Mental Health Issues
   • our boy is not having a good time

   Summary

   "Say… say it worked. Say you got it to work. How much would the foreign species take over? What could the side effects be?"

   -Or-

   In three different worlds at three different times, three different Peter Parkers are bitten by a radioactive spider. The changes that result from this manifest in different ways for each of them, but one thing remains consistent: there are side effects.

    

   (A series of one-shots and short stories of varying ratings and genres. Works are not necessarily in chronological order.)

   Words:

   12,469

   Works:

   6

   Bookmarks:

   33

   Bookmarked by VittraInChains

   13 Jan 2026