IGN has posted a new trailer for the upcoming DC animated film, Batman: Gotham by Gaslight on their official Youtube channel. The latest trailer features a deeper look at the film’s story and so far it is looking quite good. For those who aren’t aware the film is based on a Elseworlds tale by Brian Augustyn and Mike Mignola. The original one-shot comic was released in February 1989 and later spun a sequel titled, “Master of the Future,” which was released in 1991. The film features the Dark Knight set in London during the late 19th century with Bruce Wayne discovering the mystery behind Jack the Ripper. Batman: Gotham by Gaslight will be released on Blu-Ray and DVD in 2018.