Marvel Anime is a series of four anime superhero television series and two direct-to-video films produced in collaboration between Marvel Entertainment and Japanese animation studio Madhouse. The four twelve-episode series, based on Iron Man, Wolverine, X-Men, and Blade, aired in Japan on Animax between October 2010 and September 2011. An English-language version aired in North America on G4 between July 2011 and April 2012. Each of the series, guided by writer Warren Ellis, largely features Japan as the setting for the storyline.