First one
An immortal creature lives under the ocean for billions of years with good energy work. He finally finds land and discovers the dinosaurs. Has hands and feet of course and can shapeshift and his brother the evil one is stronger but the good one can teleport or whatever.
Movie Valhalla
Crazy scientists develop a nuclear weapon and place it in the middle of America to watch the game Valhalla for the world to see. Emulating battles of the past with ancient weapons for their entertainment.
The crazy Russians movie
A Russian submarine decides to use the nuclear weapon on America and UK unless the whole world makes global communism

The pirate one
After a battle with pirates the only survivor on the ship is a small cannoneer that gets lost at sea and ends up on an island like crusoe but finds archimedies book that illustrates his mirror. Shone through the sun it has the power to burn sails of ships and becomes the richest pirate.

What u think guys?