"Four: Betrayal" Script by Kurt Busiek and Fabian Nicieza. Pencils by Tom Grummett. Inks by Gary Erskine. Cover by Barry Kitson. The Avengers arrive at the T-Bolts' North Sea headquarters to destroy Project Liberator! But Baron Helmut Zemo is not going to let that happen. So the battle the fans have been waiting for erupts! Baron Zemo vs. Captain America! Atlas vs. Yellowjacket and the Wasp! Moonstone vs. the Vision and the Scarlet Witch! Wow! However some of the heroes present -- namely Hawkeye, Songbird, Vantage, and Blackheath -- don't want to fight. Can they find a way to restore the peace? Meanwhile, Iron Man and the Fixer attempt to repair Project Liberator and discover where the transnormal energy -- that the Liberator previously absorbed-- has gone! Cameo appearances by Mr. Fantastic and the Invisible Woman. 32 pages