Megalodon

A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who have taken over the ship first.

A rag-tag team of divers attempting to salvage a sunken car from a river are thwarted by a highly aggressive bull shark.

During the reign of the Vikings, a man from another world crash-lands on Earth, bringing with him an alien predator. The man must fuse his advanced technology with the weaponry of the vikings to fight the monster.

A special-ops team is dispatched to fight supernatural beings that have taken over a European city.