The cthulhu is raised to battle space men,
Space Nazis
Mutants
Apocalypse
Mutant Space Nazi apocalypse
Mutant Space Nazis vs. Cthulhu
A space ship goes past the event horizon ad raises Satan
Satan vs. Cthulhu 100 years in the future with aliens.
Mutant Space Nazis Vs. Cthulhu Vs. Satan in space 100 years in the future during an apocalypse with awsome guns and everything and all humanity hangs in the balance of who wins and one awesome hero rises to save the world.
Or, you know, robots and shit...