Zack Whedon an episode of Milch's next series "John from Cincinnati". Alongside his brothers Joss and Jed, he co-created and co-wrote the parody musical "Dr. Horrible's Sing-Along Blog". He has worked on the FOX science-fiction series "Fringe" and the AMC drama "Rubicon". In Jan 2014, Dark Horse Comics released "", a six-issue comic book series written by Whedon with art by Georges Jeanty that continues the story of brother Joss's cult television show "Firefly", and its subsequent film adaptation "Serenity". The comic is also executive produced by Joss Whedon and continues the story roughly 39 weeks after the events of the film.
Warren Ellis would be writing every episode. In 2006, Ellis was hired to develop a science-fiction television series for AMC titled "Dead Channel", but the project was put on hiatus. The series followed a television network executive who discovers the existence of aliens and decides to turn the discovery into a reality show. "Listener", a near-future science fiction novel, was planned as Ellis' next book after "Crooked Little Vein." The novel has since been lost and cancelled. "Wastelanders", a web-based "end-of-the-world" collaboration with director Joss Whedon, was postponed due to Whedon's work on "The Avengers". Ellis and British producer Vivek Tiwary developed