Volume 2 - Good Guys & Bad Guys collects X-Statix (Marvel, 2002 series) #6-10, Wolverine/Doop (Marvel, 2003 series) #1-2 and X-Men Unlimited (Marvel, 1993 series) #41;
Volume 3 - Back From the Dead collects X-Statix (Marvel, 2002 series) #11-18;
Volume 4 - X-Statix vs. The Avengers collects X-Statix (Marvel, 2002 series) #19-26.