Starring heroes from the pre-flashpoint DCU! Ray Palmer battles the Extremist Barracuda even as he struggles with what seems to be the presence of the dead Atom, Ryan Choi, while Deathstroke waits in the wings ready to kill any Atom he sees! This extra-sized issue includes a sneak peek at what's coming up in the DC Universe! Features a bonus Green Lantern story written by Robert Venditti and illustrated by Billy Tan.