U.S. actor Liev Schreiber serves as host and narrator of \"Superheroes: A Never-Ending Battle,\" a documentary to premiere Oct. 15, PBS announced. The newest film from Emmy Award-winning producer/director Michael Kantor includes interviews from comic-book mastermind Stan Lee; superhero portrayers Adam West and Lynda Carter; Geoff Johns, chief creative officer of DC Comics; Jeph Loeb, head of television for Marvel Entertainment; Pulitzer Prize-winning author Michael Chabon; and cartoonist/author Jules Feiffer. Co-written by Kantor and Laurence Maslon the 3-hour program was initially to premiere on PBS Oct. 8 and play over three weeks, but will now be a one-evening event, the network said. \"\'Superheroes: A Never-Ending Battle\' is one of the most comprehensive surveys of the vibrant comic-book industry ever created; it explores cultural histories in an entertaining and educational way -- just as PBS viewers have come to expect,\" Donald Thoms, vice president of programming and talent management for PBS, said in a statement. Schreiber co-starred in \"X-Men Origins: Wolverine\" and plays the title character on Showtime\'s \"Ray Donovan.\" He also plays a supporting role in \"Lee Daniels\' The Butler.\"