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   Universal Truths by lostinreeverie

   Fandoms: DCU (Comics), Superman - All Media Types, Batman - All Media Types  

   • General Audiences
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   10 Aug 2025

   Tags

   • No Archive Warnings Apply
   • Clark Kent/Bruce Wayne
   • Batfamily Members & Clark Kent
   • Clark Kent
   • Bruce Wayne
   • Dick Grayson
   • Jason Todd
   • Tim Drake (DCU)
   • Damian Wayne
   • Cassandra Cain
   • Stephanie Brown
   • Duke Thomas
   • Justice League (DCU)
   • Diana (Wonder Woman)
   • Hal Jordan (Green Lantern)
   • Barry Allen
   • Oliver Queen
   • Dinah Lance
   • Kon-El | Conner Kent
   • Titans - Character
   • Teen Titans - Character
   • Established Relationship
   • Married Clark Kent/Bruce Wayne
   • Secret Relationship
   • Batfamily Meets the Justice League (DCU)
   • Clark and Bruce are good parents
   • Bruce Wayne Has Too Many Kids
   • Clark Kent Also Has Too Many Kids
   • Protective Clark Kent
   • BAMF Clark Kent
   • Justice League Doesn't Know Bruce Wayne is Batman
   • Justice League Doesn't Know Clark Kent is Superman
   • Hurt Damian Wayne
   • Fluff
   • Domestic Fluff
   • Canon-Typical Violence
   • Light Angst
   • Angst with a Happy Ending

   Summary

   Superman stood, turned—and then everyone heard it. His voice, suddenly amplified, shook the air.

   “You ever dare touch one of my kids again,” Superman thundered, “and you won’t live to see tomorrow’s sunrise!”

   It wasn’t a threat. It was a promise.

   Or, the Justice League finds out that Superman has kids. They just also happen to be Batman's kids.

   Language:

   English

   Words:

   3,472

   Chapters:

   1/1

   Comments:

   76

   Kudos:

   6,760

   Bookmarks:

   931

   Hits:

   33,876

   Bookmarked by Nox6464

   09 Oct 2025