Bruce Lee Against Supermen (1975)

aka's: Superdragon vs. Superman/Meng Long Zheng Dong/Mang Lung Ching Dung/Bruce Lee vs. The Supermen/Call Me Dragon/猛龍征東

Scientist Dr Ting has invented a secret formula that will help the world's food crisis, but refuses an offer to sell it. When Dr Ting is later kidnapped by a sinister organization, Alice's boyfriend, the renowned crime fighter Kato (Bruce Li) is called in to rescue him. However after an attempt is made to kidnap Alice, Kato realizes that he cannot fight the organization alone and enlists the help of his two superhero friends collectively known as “The Green Hornet.”