Written by James Tynion IV. Art by Riley Rossmo. Cover by Jason Fabok. Special Batman Day Reprint of Batman Who Laughs (2017) #1! As the events of DARK NIGHTS: METAL rock the DC Universe, the creatures of the Dark Multiverse stand ready to invade our world! How can the World's Greatest Heroes stop a horde of deadly beings that appear to be powerful nightmare versions of familiar figures? 32 pages, full color, Rated T+