Final Issue Rampage! As the world teeters on the brink of dino-fueled destruction, the UN meeting with the Triassians is interrupted by a Megasaur attack! Hank, Deb, and their new friends escape into a secret underground base where human scientists are developing a weapon that just might turn the tide of the war. But if Hank can't deploy the weapon in time, the dinosaurs might make mankind extinct!