Warner Bros. Home Entertainment releases an all-new clip from “Batman Unlimited: Monster Mayhem” featuring Batman, Red Robin, Nightwing and Green .\r<br>\r<br>\r<br>\r<br>\r<br>\r<br>Warner Bros. Home Entertainment releases an all-new clip from “Batman Unlimited: Monster Mayhem” features Batman, Red Robin, Nightwing and Green Arrow .\r<br>\r<br>Warner Bros. Home Entertainment releases an all-new clip from “Batman Unlimited: Monster Mayhem” that features Nightwing squaring off against Scarecrow in .
