The Dark Tower: The Sorcerer is a one-shot issue comic book, published April 15, 2009, which serves as a prelude to The Dark Tower: The Fall of Gilead story-arc within Marvel’s The Dark Tower comic book series , which is a spin-off of Stephen King ‘s The Dark Tower novel series.
Unlike the previous three Dark Tower story-arcs, qui follow Roland Deschain and his ka-tet , Sorcerer follows the life and motives of The Dark Tower villain Marten Broadcloak .