Mike Carlin (credited) (editor - original series); Tom Palmer Jr. (credited) (associate editor - original series); Bob Joy (credited) (editor - collected edition)
Atom [Ryan Choi]; Panda [Dr. Potter]; Professor Helmond Kettering; Dr. Thomas Dinawa; Dr. Martin Campbell; The Head; Copernicus; Dwarfstar [Sylbert Rundine] (villain); Chronos [David Clinton] (villain); Thinker [Clifford DeVoe] (villain); Bug-Eyed Bandit [Bertram Larvan] (villain); The Man in the Ion Mask (villain); Jason Woodrue [Plant Master] (villain); The Panther (villain); Wizardo [Howard Crane] (villain)
Synopsis
Ryan Choi makes the fateful decision to proactively seek his predecessor and learn where he went at the end of IDENTITY CRISIS! Chronos tests the new Atom by pitting him against Atom Rogues pulled from various places in time.
Atom [Ryan Choi]; Chronos [David Clinton]; Yawen; Neron (flashback; cameo); Atom [Ray Palmer] (flashback); Dean Mayland; Donna Troy; Red Hood [Jason Todd]; Monitor
Atom [Ryan Choi]; Bob the Monitor; Donna Troy; Jason Todd; Head; Copernicus (dog); Dean Mayland; HEAVEN CONSTRUCTS: Blue Beetle [Ted Kord]; Crimson Avenger [Lee Travis]; Frankenstein; Rocket Red; Isis [Adrianna Tomaz]; Phantom Lady; Judomaster; Dove [Don Hall]; Star Spangled Kid [Sylvester Pemberton]; Vigilante [Adrian Chase]; Flash [Barry Allen]; Mrs. Choi (Ryan's mother); Adolph Hitler; Captain Nazi; Fiddler [Isaac Bowin]; Dr. Polaris; Orka; Ventriloquist [Scarface; Arnold Wesker]; Captain Boomerang [George Harkness; also as Digger]
Synopsis
Ryan Choi, Donna Troy, Jason Todd and Bob the Monitor continue to search the Nanoverse for Ray Palmer - and the travelers find themselves in what some might call... Heaven.
Atom [Ryan Choi]; Bob the Monitor; Donna Troy; Jason Todd; Head; Ion [Kyle Rayner]; Panda [Dr. Potter]; Professor Helmond Kettering; Dr. Thomas Dinawa; Dr. Martin Campbell; Dean Mayland; Gosana (villain); Kame-Komori (villain); Eclipso [Jean Loring] (villain, cameo flashback)
Atom [Ryan Choi]; Panda [Doctor Potter]; Professor Helmond Kettering; Doctor Thomas Dinawa; Doctor Martin Campbell; The Head; Copernicus (dog); Dean Mayland; The Twists [Benji Stark; Saul Cartwright; Glennan Johnston; Hal Farmington]; Ryak (a Linear Man); Claude; Xotar [as Swami Vedah] (villain)
Synopsis
The people in Ivy Town are starting to act and dress like they are from another era, and Ryan must figure out why.