SGT. SAVAGE VS G.I. JOE! The greatest hero of World War II is back—and not for the first time! Vanishing on the battlefields of Europe while fighting robotic soldiers, Sgt. Robert Steven Savage reappeared—in the extreme era of the 1990s! Now he's reborn again—a '40s hero with a '90s 'tude... and G.I. Joe isn't ready to go retro.