Batman Unlimited: Mech vs. Mutants 1-Disc Box Set DVD

Summary: Batman Unlimited: Mech vs. Mutants (2016). Mr. Freeze turns Killer Croc and Bane into super-sized monsters, and they bash their way through downtown Gotham until the Caped Crusader and his team of heroes join the fight in their giant robot mechs.
Director: Curt Geda
Writers: Kevin Burke, Chris Wyatt
Stars: Carlos Alazraqui, Troy Baker, Chris Diamantopoulos
More Information: IMDB, Wikipedia