Re-presenting one of the most important and influential X-Men tales ever told! In a post-apocalyptic future, the mutant-hunting killing machines known as the Sentinels rule America with an iron fist. Almost all mutants, super heroes and super villains have been exterminated. Only a handful remain to fight against their oppressive robotic overseers. Now Kate Pryde must travel back in time to warn the X-Men of the coming danger - and hopefully prevent this horrible future from ever taking place! In "Days of Future Past," the shocking culmination of their acclaimed, industry-changing X-MEN run, Chris Claremont and John Byrne changed everything for mutantkind - in both its present and its future! It's one of the all-time great Marvel comic books, boldly re-presented in its original form, ads and all! Reprinting X-MEN (1963) #141.