The ultimate DC movie extended universe Vampire epic is "Wally West; the Flash", directed by Dennis Hopper...

starring..

        James Marsden as Wally West

               Winona Horowitz Ryder as Dala

         Kate Moss as post-crisis Poison ivy

                  Rainbow Mist Ryder / Sunyata Horowitz as the Alex Ross Pre-crisis Pamela Isley

            Lancastar Calabrian as the Pied Piper

                              and Paul Persephone as Nightwing / Richard Grayson...