User blog comment:ShodaiMeestonLarva/Mothra vs. Battra cannot be made because of Godzilla vs. Biollante?/@comment-3367060-20150325042358/@comment-26969523-20150325043044

In 1990, Toho said that they are going to make a stand-alone film for Mothra: (Mothra vs. Battra and Mothra vs. Bagan), but because the failure of Godzilla vs. Biollante. the films were scrapped.