Writer Marc Guggenheim and artist Scott Kolins are working on a big canvas with their "Supertown" storyline. Issue 47 sees events play out in Gotham City and Jacksonville, FL and features appearances by Manhunter and Blue Devil and a sinister development with the appropriately named Dr. Chaos. The JSA is already reeling from recent events. Can the team survive what happens next? JUSTICE SOCIETY OF AMERICA #47 goes on sale Wednesday. Here's an advance look at the issue.