When the New Warriors kick off a deadly disaster in Stamford, Connecticut, the cry goes out for superhuman registration. With Iron Man leading the pro-registration camp, and Captain America very much anti-registration, the Marvel Universe splits down the middle. From the key stories that set the stage, to the main event, to its global headline-making aftermath, the entire Civil War is fought inside one glorious slipcase box - including all the war's dramatic impacts on the Avengers, Fantastic Four, X-Men, Spider-Man and everyone else on the Front Line!