Perhaps these fights will be suitable for the Sandbox in the next rounds:
Prince Vladimir vs Koschei The Deathless
Quest vs Orachimaru
Death Wolf (Puss in Boots 2) vs Masha and Alice (Masha and The Bear)
Krampus vs SnowPostman
Jack Horner (Puss in Boots 2) vs Buratino
Eren Titan vs Megatron
Optimus Prime vs Reiner Titan
Skeletor (He-man 2021) vs Princess Adora (She-ra 2018)
Kratos and Atreus vs Drago Bludvist
Toothless and Hiccup vs Baldur (God of War 4)
Ivan Ivanov (The Ivanovs vs The Ivanovs) vs Papa Jupiter (Hills Have Eyes)
Glamrock Bonnie and Roxanne wolf vs Thomas Hewitt
Chong Li (Bloodsoprt) vs Mongol (The Quest 1996)
The Forces of Anton (ft. Anton, Niko Bellic, Tutenstein, Ivan Ivanov, Plague Doctor, Roma and Naruto) vs The Forces of Papa Jupiter (ft. Papa Jupiter, Lizard, Pluto, Sawtooth, One-Eye, Three Finger, Mars and Maynard Odets)
Round 4 part 2
Alice vs Lizard and Pluto