Batman Unlimited: Mechs vs. Mutants is part of the Batman Unlimited film series. The film is made for kids. Despite that there's a lot of fun things for Batman fans of any age.
The plot focuses on a partnership between the Penguin and Mr. Freeze. They have a plan that involves turning other super villains into mutants. Batman, Damian Wayne, and Green Arrow try to save Gotham from Penguin and Mr. Freeze's mutants.
Due to being a film that's for young kids the plot is more about action than complexity. However that works out well here. This film is fun. It has plenty of enjoyably cartoonish...