Countdown to Doomsday!

From publisher blurb: Time is Running Out! Icons Presents: Countdown to Doomsday! covers world-ending threats and doomsday scenarios in Icons Superpowered Roleplaying, including: Different apocalyptic threats and scenarios. Villainous motives for unleashing doomsday. Running doomsday scenarios and adventures. Post-doomsday scenarios and options.