A crisis in the United States forces the Ultimates into action – and Cap- Iron Man and Thor finally reunite! Meanwhile- Kitty Pryde makes her stand – and as the X-Men fight for their lives in the Sentinel-controlled states- the war for mutant liberation begins! And with the nation under siege- Miles Morales – the new Spider-Man – decides to become a member of the Ultimates. And he will do absolutely anything it takes to earn that right. The Ultimate event of the year is here! Collecting ULTIMATE COMICS X-MEN #13-18- ULTIMATE COMICS ULTIMATES #13-18- ULTIMATE COMICS SPIDER-MAN (2011) #13-17.