The new trailer for AMC's The Walking Dead prominently features zombie highway (not to be confused with the addictive iPhone game of the same name), but what might be more intriguing in the embedded video is the mounting tensions between the survivors. We also see a glimpse of what looks like the character Maggie from the comics and of Hershel's farm (both of which we saw in the Comic-Con trailer. Faith looks to be a recurring theme this season, with the group facing "slim chances" and a sliver of hope. The second season premieres Oct. 16.
