| Issue | #40 |
| Published | May 2009 [March 4, 2009] |
| Cover Price | 2.99 USD |
| Pages | 36 |
| Editing | Mike Carlin; Rachel Gluckstern (associate) |
| Notes | U.S. on sale date: 2009-03-04. Cover forms a triptych with Trinity #41 and Trinity #42. Allen Passalaqua confirmed to Gregory Fischer, via e-mail on March 1, 2009, that he colored the cover. |
| Characters | Superman [Clark Kent; Kal-El] |
| Genre | Superhero |
| Pencils | Shane Davis |
| Inks | John Dell |
| Colors | Allen Passalaqua |
| Notes | U.S. on sale date: 2009-03-04. Cover forms a triptych with Trinity #41 and Trinity #42. Allen Passalaqua confirmed to Gregory Fischer, via e-mail on March 1, 2009, that he colored the cover. |
| Characters | Batman [Bruce Wayne]; Wonder Woman [Diana Prince]; Superman [Clark Kent; Kal-El]; Tom Tresser [Nemesis]; Alfred Pennyworth [Freddie]; Richie Grayson [Dick Grayson; Nightwing]; Lois Lane; Interceptor [Kara Zor-El; Supergirl]; Donna Troy; Justice Arcana; Justice Society International [Cyborg [Victor Stone]; Flash [Jay Garrick]; Green Lantern [Alan Scott]; Hawkgirl [Kendra Saunders]; Hawkman [Carter Hall]; Power Girl; Starfire [Koriand'r]; Tomorrow Woman [Tommie; Clara Kendall]]; Green Lantern Corps [Green Lantern [Salaak]; Green Lantern [Tomar-Tu]; Green Lantern [Validus]]; Aquaman; Black Adam; Black Lightning [Jefferson Pierce]; Charity O'Dare; Deadman [Boston Brand]; Barry Allen [Flash]; Flash [Wally West]; Gangbuster [Jose Delgado]; Green Arrow [Oliver Queen]; Lex Luthor; Metamorpho [Rex Mason]; Nightshade [Eve Eden]; Plastic Man [Eel O'Brian]; Ragman [Rory Regan]; Raven; Krona (villain); Dark Arcana; Morgaine Le Fey (villain); Enigma [Edward Nashton] (Antimatter Earth; villain); Konvikt (villain); Catman [Thomas Blake] (villain); Catwoman [Selina Kyle] (villain); Cheetah [Barbara Minerva] (villain); Crime Syndicate of America [Owlman; Superwoman; Ultraman] (villains); Deathstroke [Slade Wilson] (villain); Despero (villain); Dr. Polaris [Neil Emerson] (villain); Floronic Man [Jason Woodrue] (villain); Gentleman Ghost [Jim Craddock] (villain); Giganta [Dr. Doris Zuel] (villain); Joker (villain); Lord Khyber (villain); Parasite [Rudy Jones] (villain); Prometheus (villain); Ra's al Ghul (villain); Royal Flush Gang [Jack; Queen; King; Ace] (villains); Scarecrow [Jonathan Crane] (villain); Solomon Grundy (villain); Sun-Chained-In-Ink [Mark Richards; Tattooed Man] (villain); Vandal Savage (villain); Zoom [Hunter Zolomon] (villain) |
| Synopsis | The Trinity return to Earth and face off against the Troika. |
| Genre | Superhero |
| Script | Kurt Busiek |
| Pencils | Mark Bagley |
| Inks | Art Thibert |
| Colors | Pete Pantazis |
| Letters | Pat Brosseau |
| Characters | Krona (villain); Void Hound (villain); Green Lantern [John Stewart] |
| Synopsis | Krona confronts a younger version of himself. |
| Genre | Superhero |
| Script | Kurt Busiek (plot); Fabian Nicieza (plot; script) |
| Pencils | Scott McDaniel |
| Inks | Andy Owens |
| Colors | Allen Passalaqua |
| Letters | Pat Brosseau |
| Characters | Dan Didio (photos) |
| Script | Ian Sattler |
| Pencils | ? (photos); ? |
| Inks | ? (photos); ? |
| Colors | ? (photos); ? |
| Letters | typeset |
| Notes | Ian Sattler summarizes the DC panels at the 2009 New York Comic Con. Photos of Dan Didio wearing 5 different colored Green Lantern shirts. House ad for Trinity #41. |