During a romantic cruise in Alaska, Nick and Audrey's ship is attacked by a Giant Turtle. They end up on a deserted island where they are attacked again by the Giant Turtle but this time they're saved by Komodithrax, a mutant Komodo Dragon. It ended up that Komodithrax and Zilla were mates and there was a giant egg in their nest. Unfortunately, Commander Hicks arrives and has orders to air strike the island and take out any monsters on it.Komodithrax and the giant egg fell into a fissure.
Trivia
Komodithrax was originally supposed to be a female Godzilla, but this was changed for unknown reasons.