Mega Shark was a cancelled film where Mega Shark would have faced off with the giant dinosaur Gignotosaurus. The project was later turned into Mega Shark vs Crocosaurus.
Not much is known about this project other than Mega Shark would have fought a Giganotosaurus. A poster for the film was shown at a 2010 film festival. The film was later adapted into Mega Shark vs Crocosaurus.