AVENGERS INITIATIVE #4

Written by DAN SLOTT Penciled by STEFANO CASELLI Cover by JIM CHEUNG WORLD WAR HULK CROSSOVER! "GREEN ZONE" Part 1 of 2 When the Hulk and his Warbound invade America, the Superhuman Armed Forces answer the call!  Our young recruits have seen plenty of action, but will it prepare them for ALL-OUT WAR?!  In this time of crisis, will SHE-HULK be able to take IRON MAN'S orders?  And what is HARDBALL hiding from everyone?  Believe it or not, it's a secret that could turn the tide of the entire WAR! 32 PGS./Rated T+ ...$2.99