The Pink Panther Strikes Again (1976) on Netflix

Charles Dreyfuss, the Chief Inspector of the Surete and superior of Inspector Clouseau was last seen in the previous movie, suffering a breakdown cause of Clouseau's torment. He decides to try and kill him but fails and was last seen confined to a mental asylum. This movie begins three years later, Dreyfuss' doctors think is well enough to be released but before he is, Clouseau visits him and agitates him into killing him, so he's not released. But he escapes and tries to kill Clouseau but fails. He then decides to recruit some of the best criminals in the world, and then kidnaps a noted English scientist and creates a device that can destroy the world. After using it, his only demand is Clouseau. So every country in the world sends their best assassin to kill him but fail. And Clouseau tries to find Dreyfuss before he does any more damage.