Warner Bros. has released a second clip from Batman: The Dark Knight Returns, Part 1. The clip features The Mutant Leader giving his televised declaration of war on Gotham City, Commissioner Gordon and Batman. The Mutant Leader is voiced by Gary Anthony Williams, best known for his recurring roles on Malcolm in the Middle and Boston Legal. Warner Bros. also released some new still photos which you can check out after the break. The movie will be available on Blu-ray Combo Pack & DVD and digital download on September 25th. Click here to find out how you can catch it early at the world premiere in Los Angeles and New York.