Superman/Batman (2003) #47

Written by Michael Green & Mike Johnson Art and cover by Shane Davis & Matt 'Batt' Banning

"K Chapter 4: WSDs" 

Writers Michael Green (Heroes) & Mike Johnson, with superstar art team Shane Davis & Matt 'Batt' Banning, deliver a new team of heroes to battle The Man of Steel and The Dark Knight, known only as The Last Line! They were created as a 'last line' of defense against a rogue Superman, and they take no prisoners!