Justice League Unlimited #7

Unlimited no more?! The Justice League is fractured throughout time as the Legion of Doom achieves the unthinkable... the siege of the Watchtower! As Gorilla Grodd's attack intensifies, it'll be up to one hero to call in the cavalry, and it is not who you think! Destruction, redemption, and a cavalcade of chaos culminate in this penultimate chapter of “We Are Yesterday,” a special crossover with Batman/Superman: World's Finest!

Characters: Abin Sur, Air Wave, Aquaman, Atom (Palmer), Batman, Beast Boy, Big Barda, Bizarro, Black Lightning, Black Manta, Blue Beetle (Reyes), Captain Cold, Captain Marvel (DC), Carol Ferris, Courtney Whitmore, Cyborg, Dick Grayson, Donna Troy, Elongated Man, Firestorm (Raymond), Gorilla Grodd, Green Arrow, Hal Jordan, Joker, Jon Kent, Jonah Hex, Lex Luthor, Martian Manhunter, Mister Terrific (Holt), Plastic Man, Pythoness, Scarecrow (DC), Sinestro, Supergirl (Kara Zor-El), Superman, Terry McGinnis, Thunderlord, Ultra the Multi-Alien, Wally West, Wonder Woman