Joss Whedon produced another free comic book on the Internet, "Serenity: The Other Half". As a response to the 2007–08 Writers Guild of America strike, Whedon directed, co-wrote and produced "Dr. Horrible's Sing-Along Blog". It tells the story of Dr. Horrible, an aspiring supervillain, who shares a love interest in a girl named Penny with his nemesis, Captain Hammer. To Whedon the miniseries was "a project of love", an accomplishment that from their excitement would be embellished with passion and "ridiculousness". His half brothers Zack and Jed and sister-in-law Maurissa Tancharoen share the other writing credits. Whedon said it was a "glorious
Joss Whedon of my time. We never [wanted] to make the same movie; none of us knew that". Whedon also pitched a screenplay to adapt Batman for the same company as development started on what would eventually become "Batman Begins". It was described as having included a new, "more of a 'Hannibal Lecter' type" villain, and portrayed Bruce Wayne as "a morbid, death-obsessed kid" whose grief was overcome by protecting a girl from being bullied in an alley similar to where his parents were murdered. In March 2017, Whedon was in negotiations to direct, write, and produce "Batgirl" set in the DC