I have a few suggestions of my own.
As you can see, there are plentiful possibilities...
King Kong vs The Hulk
Gremlins vs Critters
Jeepers Creepers vs The Boogeyman
Rocky vs Wolfman
Freddy Kruegar vs Hulk Hogan
Daredevil vs The Flash
Clay Face and Leatherhead vs Captain America
Michael Myers vs The Terminator
The Hoff and Englebert Humperdinck vs Robocop, Loose women, and He-Man
The Green Hornet and Gandolph vs The Exorcist and Ken from Streetfighter
Commando and Shredder vs Phil and Grant from Eastenders