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1. Grim: Last Hope by grimharry77

   Fandoms: Harry Potter - J. K. Rowling, Marvel, Marvel Cinematic Universe, X-Men - All Media Types, DCU (Comics), DC Extended Universe, Invincible (Cartoon 2021), Invincible (Image Comics), Batman - All Media Types, Spider-Man - All Media Types, Superman - All Media Types, Marvel (Comics), The Avengers (Marvel Movies), Justice League - All Media Types, Young Justice (Cartoon), Wonder Woman - All Media Types, Iron Man (Movies), RWBY, Superman (Comics), Batman (Comics)  

   • Explicit
   • Creator Chose Not To Use Archive Warnings, Graphic Depictions Of Violence, Major Character Death
   • No category
   • Work in Progress

   28 Sep 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Graphic Depictions Of Violence
   • Major Character Death
   • Harry Potter
   • Clark Kent
   • Mark Grayson | Invincible
   • Thanos (Marvel)
   • Darkseid (DCU)
   • Diana (Wonder Woman)
   • Bruce Wayne
   • Hermione Granger
   • Sirius Black
   • Mutant Characters (X-Men)
   • Hal Jordan (Green Lantern)
   • Tom Riddle | Voldemort
   • Voldemort (Harry Potter)
   • Erik Lehnsherr
   • Nick Fury
   • Thor (Marvel)
   • Ancient One (Marvel)
   • Jean Grey
   • Odin (Marvel)
   • Tony Stark
   • Steve Rogers
   • Logan | Wolverine (X-Men)
   • Charles Xavier
   • Arcturus Black III | Sirius Black's Grandfather
   • Natasha Romanov (Marvel)
   • Albus Dumbledore
   • Master of Death Harry Potter
   • Time Travel
   • Alternate Universe - Canon Divergence
   • Alternate Universe
   • Powerful Harry Potter
   • Mutant Powers
   • Magically Powerful Harry Potter
   • Insane Harry Potter
   • Time Loop
   • Reincarnation
   • Phoenixes
   • War
   • Violence
   • Rituals
   • Regeneration
   • Viltrumites (Invincible)
   • MACUSA | Magical Congress of the United States of America
   • Magical Bond
   • Black Family Drama (Harry Potter)
   • BAMF Harry Potter
   • World Domination
   • World War III
   • Sociopath Harry Potter
   • Mind Manipulation
   • Training
   • Fights
   • Occlumency (Harry Potter)
   • Crossovers & Fandom Fusions
   • Powerful Voldemort (Harry Potter)

   Summary

   What to do when an unbeatable madman kill you for in his sick game again and again for his fun? Hide? Fight back? escape to another universe? NO, Merge universes! A crossover of HP/Marvel/DC/Invincible. My first story and most ambitious one. Power fantasy while world building..

   Language:

   English

   Words:

   74,844

   Chapters:

   16/?

   Comments:

   5

   Kudos:

   32

   Bookmarks:

   13

   Hits:

   1,966