Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. Not An Omega by SnowBro1000

   Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Complete Work

   25 Apr 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Mark Grayson | Invincible/Thragg
   • Mark Grayson | Invincible
   • Thragg (Invincible)
   • Omni-Man | Nolan Grayson (mentioned)
   • Mildly Dubious Consent
   • Alpha/Beta/Omega Dynamics
   • Breeding Kink
   • Size Difference
   • Alternate Universe - Canon Divergence
   • Anal Sex
   • Bottom Mark Grayson | Invincible
   • Denial of Feelings
   • Multiple Orgasms
   • Cuddling & Snuggling
   • Scent Kink
   • Alpha Mark Grayson | Invincible
   • Alpha Thragg (Invincible)
   • Top Thragg (Invincible)
   • Plot What Plot/Porn Without Plot
   • Omegaverse Bitching | Turning into an Omega
   • but it's only mentioned

   Summary

   When Mark goes after Thragg due to a stray Viltrumite interfering with Earth events (when Kregg saves his wife), he bites off more than he can chew when Thragg becomes thrilled with the idea of dominating him.

   OR

   Straight up alpha x alpha smut

   Series

   • Part 2 of Tales of Thrark

   Language:

   English

   Words:

   5,553

   Chapters:

   1/1

   Comments:

   23

   Kudos:

   198

   Bookmarks:

   33

   Hits:

   2,557