New York Times best-selling writer Robert Venditti (SUPERMAN ‘78) tangos with superstar artist Rober Gill (X-FORCE) to deliver an interstellar duel to the death in the guns-blazing finale to the most insane comic of all time. FINALLY, the moment you've been reading for has arrived. It's a celestial showdown for the stone ages! Cosmic combat of astronomical proportions. It's TANKERS VERSUS ANCIENT ALIENS! Stranded in Earth's primordial past and swarmed by ancient alien expeditionary soldiers, it's time for the Tankers to set their phasers to KICK ASS and take down some alien scum. Earth's last stand is here. Texans are good at those, right?