There is a game for the nes that was gonna be released in 1991. It was cancelled and replaced with Godzilla 2 War of the Monsters. The game's cancellation was announced in Nintendo Power but a screenshot has surfaced after all these years.

Rodan vs Dinosaur

The long awaited screenshot of the game. It appears to be Godzilla Monster of Monsters but with Rodan instead of Godzilla or mothra.