Round 1) Cyberman envading mcu (marvel universe) earth they get 2 hours before figuring out they don't come i peace.
Round 2) Smaug vs. Alduin
Round 3) Pennywise vs. Weeping angel
Round 4) Rumplestiltskin (The Dark One from once upon a time) vs. Doctor Strange
Round 5) Thomas the tank engine vs. Chuggington
Comment who you think would win in which rounds and why