Godzilla vs. Gargantua (Scrapped Film)

"Godzilla Vs Gargantua" Was a planned sequel to the 1966 film "War Of The Gargantua"

The original plot was the monsters in War Of The Gargantua apparently got swallowed by a volcano, The evil green monster survives, but finds himself faced with another monster in the form of Godzilla.