black and white movie featuring rock monsters

When a princess is shrunken by an evil wizard, Sinbad must undertake a quest to an island of monsters to cure her and prevent a war.

Volcanic activity frees giant scorpions from the earth who wreak havoc in the rural countryside and eventually threaten Mexico City.

Cop by day, masked crusader by night, the fearless and sultry Black Scorpion must protect the City of Angels from a deadly trio of villains... the prosthetic machine gun Firearm, the time-controlling Clockwise, and vision-stealing Flashpoint.

The controlled explosion of an atomic bomb in the Arctic Circle awakens a frozen dinosaur that will wreak havoc in New York City.