PatriotiCat: America's Defender

PatriotiCat: America’s Defender is a 2019 animated superhero short film produced by HuskyFilm Animation and Jacob Lee Comics. The film features the voices of Bernadette Peters as the titular character, along with Scott Menville and H. Jon Benjamin in supporting roles. It tells the origin story of homeless alley cat Rita and her destiny of becoming a patriotic superhero, with the help of her new owner.
Based on the comic book series of the same name, the film was written by series creator Jacob S. Lee and collaborator Grace Hirshblond and was directed by Lee in his directorial debut. It is a loose parody of the character and origin story of Marvel Comics’ Captain America.  
The film's screenplay could be viewed here.