Duo #3

Enter the Immutables, who make Dr. Kelly Vu and Dr. David Kim’s super-heroic body-sharing problems feel downright frivolous when they make their position clear—mere humans are not meant to live forever, and these godlike beings will put an end to anyone who tries!

Characters: Batman, Black Canary, Deadman, Dick Grayson, Green Arrow, Hal Jordan, John Stewart, Joker, Man-Bat, Phantom Stranger, Ra's al Ghul, Spectre, Superman, Talia al Ghul