Thread:Coolot1/@comment-4327179-20200518140137/@comment-4327179-20200611150936

Now here's some info about the development of Godzilla vs. Biollante:

Tomoyuki Tanaka announced a sequel to The Return of Godzilla in 1985, but was skeptical of its possibilities, as the film had been of little financial benefit to Toho, and the failure of King Kong Lives following year convinced him that audiences were not ready for a continuation of the Godzilla series. He relented after the success of Little Shop of Horrors, and proceeded to hold a public story contest for a possible script. In consideration of The Return of Godzilla's marginal success in Japan, Tanaka insisted that the story focus on a classic monster vs. monster theme. Tanaka handed the five finalist entries to director Kazuki Ōmori, despite the two's initially hostile relationship; the latter had previously held Tanaka responsible for the decline in the Godzilla series' quality during the 1970s. Ōmori chose the entry of dentist Shinichiro Kobayashi, who wrote his story with the hypothetical death of his daughter in mind.

Kobayashi's submission was notable for its emphasis on dilemmas concerning biotechnology rather than nuclear energy, and revolved around a scientist grieving for his deceased daughter and attempting to keep her soul alive by merging her genes with those of a plant. The scientist's initial experiments would have resulted in the creation of a giant rat-like amphibian called Deutalios, which would have landed in Tokyo Bay and been killed by Godzilla. A female reporter investigating the scientist's activities would have suffered from psychic visions of plants with humanoid faces compelling her to infiltrate the scientist's laboratory. The scientist would have later confessed his intentions, and the finale would have had Godzilla battling a human-faced Biollante who defeats him by searing his flesh with acid.

Ōmori proceeded to modify the story into a workable script over a period of three years, using his background as a biologist to create a plausible plot involving genetic engineering and botany. In order to preserve the series' anti-nuclear message, he linked the creation of Biollante to the use of Godzilla cells, and replaced Kobayashi's journalist character with Miki Saegusa. He openly admitted that directing a Godzilla film was secondary to his desire to make a James Bond movie, and thus added elements of the spy film genre into the plot. Unlike the case with later, more committee-driven Godzilla films, Ōmori was given considerable leeway in writing and directing the film, which Toho staff later judged to have been an error resulting in a movie with a very narrow audience.