Issue: #1
Continuing from ADVENTURE COMICS #521, it's the conclusion to Ray Palmer's acclaimed story "Nucleus" in an extra-sized issue! The terror group called The Colony hatches its last-ditch gambit to steal The Atom's technology. Guest-starring Hawkman, Oracle and more!
First appearances: Asimov
Creators: Jeff Lemire, Brian Cunningham, Gary Frank, Peter Pantazis, J. P. Mayer, John Dell, Andy Owens, Eber Ferreira, Mahmud A. Asrar, Allan Goldman, Nathan Eyring, Sal Cipriano, Sean Ryan
Characters: Barbara Gordon, Hawkman, Doctor Mid-Nite, Ray Palmer, Jack Palmer, Professor Alpheus V. Hyatt, David Palmer, Asimov
Story arcs: Nucleus