The Dark Tower: The Drawing of the Three / Revenge Sampler is a free, two-sided one-shot comic book preview published by Marvel Comics. It is the sixth non-sequential companion publication released as an extension of the comic book series based on Stephen King's The Dark Tower series of novels. Released five weeks in advance of the first issue of The Dark Tower: The Drawing of the Three - The Prisoner, The Drawing of the Three / Revenge Sampler features rough/black-and-white renditions of series artwork by Piotr Kowalski as well as cover art by and variant cover art by . The flipside of the release features a preview of the graphic novel Revenge: The Secret Origin of Emily Thorne (based on the ABC television series Revenge), written by Erica Schultz with interior art by and cover art by