It was revealed in the JLA storyline Tower of Babel (also written by Waid) that the body swap by Agamemno led Batman to develop a number of contingency plans to take down the JLA and other heroes should they go rogue.
Tower of London | Eiffel Tower | Tower of Power | Tower Bridge | Tower Records | Tower | Leaning Tower of Pisa | JLA: The Nail | Willis Tower | Babel | Tower of Babel | Martello tower | CN Tower | Blackpool Tower | tower | Lieutenant of the Tower of London | John Tower | Tower Hill | St Lucian Tower | Bell tower | The Dark Tower (series) | The Dark Tower | Sather Tower | Lincoln Memorial Tower | JLA | tower house | Tower City Center | Tokyo Opera City Tower | The Shang Grand Tower | Sun Tower |
In JLA: The Nail, the Joker is provided with Kryptonian gauntlets and launches an attack on Arkham Asylum, forcing most of the inmates to fight each other before brutally murdering Batgirl and Robin while forcing Batman to watch.
In the Elseworlds story JLA: The Nail, a captive Black Orchid makes an appearance in Professor Hamilton's Cadmus Labs.
In the Elseworlds story JLA: The Nail, Carol Ferris/Star Sapphire makes an appearance in Professor Hamilton's Cadmus Labs.
In the Elseworlds story JLA: The Nail, Congo Bill (in his Congorilla form) makes an appearance in Professor Hamilton's Cadmus Labs.
JLA: Earth 2, a graphic novel about another alternate earth in the DC Universe
In the Elseworlds story JLA: The Nail, a restrained Bruce Gordon/Eclipso makes an appearance in Professor Hamilton's Cadmus Labs.
Justice League of ? (2001, alternate meanings of JLA such as Justice League of Aliens, Justice League of Amazons, etc.)
In the Elseworlds JLA: The Nail miniseries, and its sequel JLA: Another Nail, a version of Hank Hall exists, alongside the original Dove.
In JLA: The Nail and JLA: Another Nail, Hawkwoman is a member of a much-hated Justice League, and remains so even after her husband's death by Amazo.
Highfather appears in JLA: The Nail, involved in a war between New Genesis and Apokolips, triggered when Apokolips assumed that a Kryptonian shield around Earth was part of a sneak attack by New Genesis and decided that the only way to prevent their destruction was to attack first.
JLA: Another Nail is a comic book mini-series published in the United States by DC Comics, a continuation of events in the original three-part mini-series JLA: The Nail.
Alexander Luthor, the lone hero from the Antimatter universe, breaks the barrier between Earths 1 and 2, seeking the JLA's help.
In a joint panel at WonderCon 2000, Busiek (then writer of the Avengers title) and Mark Waid (then writer of the JLA title) stated they had nearly come to an agreement to begin the crossover within the regular issues of the respective titles but the two companies could not come to a business arrangement.
•
When summoning the players to participate in this game, Krona decides to swap champions, so the Grandmaster’s longtime adversaries, the Avengers, will represent Krona, and the Justice League, from Krona's home universe, will fight for the Grandmaster.
The series took place within the established DC Universe, though it did not feature the members of writer James Robinson's contemporary Justice League, but rather a mix of characters from across the team's long history.
In the Elseworlds story JLA: The Nail Krypto is an early product of an experiment in splicing Kryptonian DNA to Earth creatures.
In the 1998 Elseworlds JLA: The Nail, Lightray is depicted fighting in a war between New Genesis and Apokolips.
JLA OverPower (JLA stands for Justice League of America) - Released early 1997, introduced the new tactic (doubleshot) cards.
Since then, Garres has worked for publishers like DC Comics, Fleetway and Crusade, cooperating with writers such as Alan Grant, Pat Mills and John Wagner on series like Lobo, Sláine, Judge Dredd, Jaguar God, The Spectre and JLA.
Their first DC Universe appearance was in Morrison's introductory run on the JLA: Classified series in 2004.
Silver Sorceress makes a brief cameo appearance in issue #4 of the JLA/Avengers crossover miniseries.
The second tower was built in the same location by Cyborg himself in the JLA/Titans miniseries.