HERO VS. HEROThe United States Government has passed the Superhuman Registration Act. Iron Man heads the movement to register everyone with powers or abilities, but Captain America is the rallying figure for the resistance forces opposed to government control. Whose side are you on?ACTION-PACKED ADVENTUREMARVEL HEROIC ROLEPLAYING Event Books capture the drama and action of pivotal Marvel Universe blockbuster events, with hero and villain datafiles, detailed sourcebook entries, and story material. Rewrite history, make your own choices, and change your hero's fate. With MARVEL HEROIC ROLEPLAYING Event Books, the worlds of What If? are yours to explore.This Essentials Edition Event Book includes:Civil War: Based on the polarizing storyline of the award-winning Civil War crossover, from the tragedy of Stamford, CT to the final confrontation between Iron Man's pro-registration forces and Captain America's anti-registration rebels. Includes details on S.H.I.E.L.D., Hydra, A.I.M., and Wakanda!Hero Datafiles: Game play sheets for many of your favorite Marvel Super Heroes, from Arachne to Wonder Man.