Mega-Shark wreaks havoc in the Port of Alexandria, but the U.S. Navy and engineer Jack Turner deploy an AI-powered Mecha-Shark to combat the underwater menace. The two powerful forces clash, threatening to destroy Sydney.

Mega Shark vs. Mecha Shark
A massive, genetically modified shark wreaks destruction worldwide, prompting a response from the authorities, who deploy a cutting-edge robotic replica to counter its power and ferocity. The two behemoths engage in a battle, resulting in devastation for innocent civilians and cities.