Santo and Blue Demon vs. The Mummies of Guanajuato (Las Momias de Guanajuato)
Damn! Santo and Blue Demon are fighting the Mummies of Guanajuato? Crazy! It's a good thing Santo sends Mil Mascaros to go get the golden fire pistols! Mummies go right up. Those mummies are a major tourist attraction, so good job Santo and Blue Demon - you just put some Guanajuatans out of work.
Also, check out Mil Mascaros' super cool green dune buggy hot rod.