Volume 1 - Basic Training collects Avengers: The Initiative (Marvel, 2007 series) #1-6;
Volume 2 - Killed in Action collects Avengers: The Initiative (Marvel, 2007 series) #7-13 and Avengers: The Initiative Annual (Marvel, 2008 series) #1;
Volume 3 - Secret Invasion collects Avengers: The Initiative (Marvel, 2007 series) #14-19;
Volume 4 - Disassembled collects Avengers: The Initiative (Marvel, 2007 series) #20-25 and Avengers: The Initiative Featuring Reptil (Marvel, 2009 series) #1;
Volume 5 - Dreams & Nightmares collects Avengers: The Initiative (Marvel, 2007 series) #26-30.