JLA
Justice League Elite: Volume 1

Conflicting goals causes a schism among the World's Greatest Super-Heroes. As a result, several members of the JLA choose to do undercover work with Vera Black and her super-powered team, the Elite. Their first assignment: infiltrate a small brotherhood of assassins gathering to hit a major political target. Heroes find themselves suddenly allied with deadly foes. Can this group function effectively enough to do their job? And if they can't, what happens to the world? Collects Action Comics #775, JLA #100, Justice League Elite #1-4, JLA Secret Files 2004.