Matt Grobar / Deadline: Vanessa Kirby & Yahya Abdul-Mateen II Set For Apple Sci-Fi Thriller 'Liminal'; Louis Leterrier Directing ... Liminal is based on the AWA graphic novel Telepaths by Eisner Award winner J. Michael Straczynski, Steve Epting and Brian Reber. While the plot of the feature take is being kept under wraps ...