| Issue | #30 |
| Published | February 2009 [December 24, 2008] |
| Cover Price | 2.99 USD |
| Pages | 40 |
| Editing | Mike Carlin; Rachel Gluckstern (associate) |
| Notes | Cover forms a triptych with Trinity #28 and Trinity #29. Allen Passalaqua confirmed to Gregory Fischer, via e-mail on 12/20/2008, that he colored the cover. U.S. on sale date: 2008-12-24 |
| Characters | Atmahn [Batman; Bruce Wayne] (statue); Kellel [Superman; Clark Kent; Kal-El] (statue); Dinanna [Wonder Woman; Diana Prince] (statue) |
| Genre | Superhero |
| Pencils | Carlos Pacheco |
| Inks | Jesus Merino |
| Colors | Allen Passalaqua |
| Notes | Cover forms a triptych with Trinity #28 and Trinity #29. Allen Passalaqua confirmed to Gregory Fischer, via e-mail on 12/20/2008, that he colored the cover. U.S. on sale date: 2008-12-24 |
| Characters | Tom Tresser [Nemesis]; Freddie [Alfred Pennyworth]; Richie Grayson [Dick Grayson; Nightwing]; Lois Lane; Interceptor [Kara Zor-El; Supergirl]; Donna Troy; Terren; Kori; Korsan; Justice League of America [JLA; Batman [as Atmahn; Bruce Wayne]; Superman [as Kellel; Clark Kent; Kal-El]; Wonder Woman [as Dinanna; Diana Prince]; The Onegod [Krona] |
| Synopsis | Alfred and his crew begin to hear about the effects Bruce, Clark and Diana had on this world. |
| Genre | Superhero |
| Script | Kurt Busiek |
| Pencils | Mark Bagley |
| Inks | Art Thibert |
| Colors | Pete Pantazis |
| Letters | Pat Brosseau |
| Genre | Superhero; Martial Arts |
| Notes | Ad for Mortal Combat vs. DC Universe video game. |
| Characters | Justice Society International [Atom [Ray Palmer]; Brainwave [Henry King, Jr.]; Flash [Jay Garrick]; Green Lantern [Alan Scott]; Hawkgirl [Kendra Saunders] (cameo); Hawkman [Carter Hall]; Mr. Terrific [Michael Holt] (cameo); Starfire [Koriand'r] (cameo); Ragman [Rory Regan] (cameo); Tomorrow Woman [Tommie; Clara Kendall] (cameo)]; Space Ranger [also disguised as Prometheus]; Aquaman [Arthur Curry] (cameo); Plastic Man [Eel O'Brian] (cameo); Charity O'Dare; Lex Luthor (cameo); Morgaine Le Fey (villain); Enigma [Edward Nashton] (Antimatter Earth; villain); Brainiac (villain); Cheetah [Barbara Minerva] (villain); Deathstroke [Slade Wilson] (villain; cameo); Doctor Polaris (villain); Floronic Man [Jason Woodrue] (villain); Gentleman Ghost [Jim Craddock] (villain); Giganta [Dr. Doris Zeul] (villain); Konvikt (villain; cameo); Lady Shiva [Sandra Woosan] (villain; cameo); Professor Zoom (villain; cameo); Ra's al Ghul (villain; cameo); Royal Flush Gang [Ace; King; Queen; Jack; Ten] (villains); Scarecrow [Jonathan Crane] (villain); Solomon Grundy (villain); Vandal Savage (villain) |
| Synopsis | The Atom infiltrates the Cabal. |
| Genre | Superhero |
| Script | Kurt Busiek (plot); Fabian Nicieza (plot; script) |
| Pencils | Mike Norton |
| Inks | Ande Parks |
| Colors | Allen Passalaqua |
| Letters | Pat Brosseau |
| Characters | Flash [Barry Allen] |
| Script | Dan Didio |
| Letters | typeset |
| Notes | Dan Didio talks about the return of Barry Allen as the Flash. House ad for Trinity #31. |