In a recent interview with IGN, Guillermo del Toro discusses his involvement with an adaptation of DC's 'Dark Universe' - a project which might involve Constatantine, The Spectre, Swamp Thing, and more. Which, he says, is currently called DARK UNIVERSE.  

"Yeah, I'm doing it.  I'm working on it.  I'm writing the outline...and we already are in talks with a writer.  A very, very good writer. I think people are going to be happy with who we have chosen, and he accepted."

 ...says GDT in the embed below, which also goes on to offer Guillermo's perception of how Warners' is regarding its DC properties at the moment.  Check it out...