DEATH BATTLE's Wall
Sauron (LOTR) vs the Lich King (Warcraft). Both are empowered by a magic item (ring/sword), command their own type of army(orcs and uraki?/the undead and demons), and are put for world conquest (middle earth/whatever is the names of the places in Warcraft)
Bane(DC) vs Juggernaut (Marvel): battle of strength since ones a tank and the other is hired fists/killer.
the Harkonnens vs the Helghasts
A Most Wanted Sequel Battle Royale! Darksiders 3 and 4 vs an Assassin's Creed set in Fuedal Japan and/or Ancient Egypt vs Last of Us Part II vs an Alien Isolation sequel in which you play as either Newt or her brother Timmy while still stuck and surviving on LB 426 during and after the Xenomorph attack and just before Ripley and the Marines arrive.
Sho Fukumachi vs Agito Makashima vs Masaki Murakami vs Alkenfel, and what the hell, a Zoalord Battle Royale!
Juggarnaut(Marvel) vs Blob(Marvel), c'mon who wouldn't wanna know what'd happen if the unstoppable and the unmoveable Did or Could collide?
Battle Royale: All of DC's Lantern Corps!(They got one for every color now, after all)
Killer Instinct vs Mortal Kombat- 1. Black Orchids vs Jade 2. Shadow Jago vs Kobra 3. Cinder vs Scorpion or Blaze 4. Glacius vs Sub-Zero 5. Riptor vs Reptile 6. Chief Thunder or Tusk vs Nightwolf 7. T.J. Combo vs Jax 8. Sadira vs Mileena 9. Maya vs Sareena 10. Kim Wu vs Kitana 11. Spinal vs Havik 12. Saberwulf vs Moloch 13. Eyedol vs Motaro 14. Gargos vs Onaga The Dragon Emperor
Alduin(Skyrim) vs Deathwing(World of Warcraft), even though I'm plenty sure Deathwing is like 20 times bigger then Alduin, but who cares?
1. Android 1 (DB) vs X-2 (Terminator) 2. Android 2 (DB) vs Motoko Kusanagi (Ghost in the Shell) 3. Android 3 (DB) vs Konoko (Oni) 4. Android 4 (DB) vs Dural (Virtua Fighter) 5. Android 5 (DB) vs Kraab (Ben 10) 6. Android 6 (DB) vs Sixsix (Ben 10) 7. Android 7 (DB) vs Sevenseven (Ben 10) 8. Android 8 (DB) vs Brother Blood (Teen Titans) 9. Android 9 (DB) vs Metallo (Superman) 10. Android 10 (DB) vs Omega Red (X-Men) 11. Android 11 (DB) vs Cable (X-Men) 12. Android 12 (DB) vs Adam (Buffy the vampire slayer) 13. Android 13 (DBZ) vs Chise (Saikano) 14. Android 14 (DBZ) vs War Machine (Marvel Comics) 15. Android 15 (DBZ) vs Robot Boy Super 16. Android 13 (DBZ) vs Megaman 17. Android 16 (DBZ) vs Amazo (DC) 18. Android 17 (DBZ) vs Cyborg Superman (DC) 19. Android 18 (DBZ) vs Mahoro (Mahoromatic) 20. Android 19 (DBZ) vs Cat girl Nuka Nuka 21. Android 20 (DBZ) vs Xanatos (Gargoyles) vs Dr. Doom 22. Super Android 17 (DBGT) vs Brianiac (DC)
Broly(DBZ) vs Doomsday(DC Comics)
Mike Tyson vs Rocky vs Muhammad Ali vs Lois Griffin (Family Guy) vs Diana (Girlfight)
Yes! Cthulhu vs Janemba!:D
Lois Griffin (Family Guy) vs Diana (Girlfight)
Battle Toads vs Street Sharks
Battle Royale! The First Thirteen Transformers
Mike Tyson vs Rocky vs Muhammad Ali
XD Cthulhu vs God, or Jesus..I'm sorry I had to!