Justice League Reading Order

World's Finest

 * 1) "A Dark Night in Metropolis"
 * 2) "The Brave and the Bold"
 * 3) "Super Friends"

The Trinity

 * 1) "The Bargain"
 * 2) "The Call"
 * 3) "Brave New World"

Origin

 * 1) "Close Encounters"
 * 2) "Invasion!"
 * 3) "War of the Worlds"
 * 4) "Independence Day"
 * 5) "The League"

Justice League (Year One) - The Justice League

 * 1) "Secret Sanctuary"
 * 2) "Mystery in Space"
 * 3) "Missing Link"
 * 4) "Depths"
 * 5) "Day of the Demons"
 * 6) "Strength in Numbers"
 * 7) "Mind Over Matter"

Paradise Lost

 * 1) "The Witch"
 * 2) "Warpath"
 * 3) "Gods of War"

Justice League (Year Two) - The Justice League of America

 * 1) "Initiation"
 * 2) "All Along the Watchtower"
 * 3) "Sleep of the Just"
 * 4) "Injustice"
 * 5) "War"
 * 6) "New World Order"
 * 7) "Children of Mars"

Tower of Babel

 * 1) "Corruption"
 * 2) "Catastrophe"
 * 3) "Cornered"

Apokolips Now!

 * 1) "Descent"
 * 2) "Devastation"
 * 3) "Darkside"

Justice League (Year Three) - The JLA

 * 1) "Power of SHAZAM!"
 * 2) "Hands of Fate"
 * 3) "For the Man Who Has Everything"
 * 4) "Mad Science"
 * 5) "Shadow of the Hawk"
 * 6) "Devil & the Deep Blue Sea"
 * 7) "The Fugitive"

'Flash of Two Worlds'

 * 1) "Golden Age"
 * 2) "Reverse"
 * 3) "Flash Back"

Legion

 * 1) "Villains United"
 * 2) "Doom"
 * 3) "Wild Card"

CRISIS ON INFINITE EARTHS

 * 1) "Monitor"
 * 2) "Destroyer"
 * 3) "Qward"
 * 4) "Oblivion"
 * 5) "Genesis"
 * 6) "New Earth"

Death of Superman

 * 1) "Abomination"
 * 2) "Unstoppable"
 * 3) "Doomsday"

Justice League (Year Four) - Justice League International

 * 1) "Global Affairs"
 * 2) "Strange Visitor"
 * 3) "Drop-Zone"
 * 4) "Nuclear Man"
 * 5) "The Escape Artist"
 * 6) "Armageddon"
 * 7) "Comfort & Joy"

'Day of Vengeance'

 * 1) "Chaos"
 * 2) "Order"
 * 3) "Eclipse"

Justice League Dark (S1) - Masters of Magic

 * 1) "Hellblazer"
 * 2) "The Demon"
 * 3) "The Swamp"
 * 4) "Shadowpact"
 * 5) "Sins of the Spectre"

Reign of the Supermen

 * 1) "Funeral for a Friend"
 * 2) "Men of Steel"
 * 3) "Bloodlines"

Return of Superman

 * 1) "Secret Identity"
 * 2) "Smallville"
 * 3) "Scorched Earth"

Emerald Twilight

 * 1) "Renegade"
 * 2) "Rampage"
 * 3) "Parallax"

Justice League Dark (S2) - The Witching Hour

 * 1) "Books of Magic"
 * 2) "Pantheon"
 * 3) "The Box"
 * 4) "Revival"
 * 5) "Day of Judgement"

Identity Crisis

 * 1) "No Justice"
 * 2) "Divided We Fall"
 * 3) "Outbreak!"
 * 4) "The Tornado"
 * 5) "No Strings"

Justice League (Year Five) - Justice Divided

 * 1) "Justice Lost"
 * 2) "Executive Action"
 * 3) "Terror Beyond"
 * 4) "Ultimatum"
 * 5) "Memento Mori"
 * 6) "Clash"
 * 7) "Countdown"

Return of Zoom

 * 1) "Flash Forward"
 * 2) "Zoom"
 * 3) "Running Scared"

'L'ast Son of Krypton

 * 1) "Panic in the Sky"
 * 2) "Phantoms"
 * 3) "Atonement"

Justice League Dark (S3) - Hell on Earth

 * 1) "Infernal Incarnate"
 * 2) "First of the Fallen"
 * 3) "Hellbound"
 * 4) "Underworld Unleashed"
 * 5) "Sympathy for the Devil"

Cosmic Odyssey

 * 1) "Primordial"
 * 2) "Collector"
 * 3) "Gods of Evil"
 * 4) "Deicide"
 * 5) "Apocalyptic"

Checkmate

 * 1) "The Queen is Dead"
 * 2) "Question Authority"
 * 3) "Eye in the Sky"
 * 4) "Command-D"
 * 5) "Long Live the King"

FINAL CRISIS

 * "Twilight"
 * 1) "Godfall"
 * 2) "Godspeed"
 * 3) "Submit"
 * 4) "Resist"
 * 5) "Omega"
 * 6) "The Abyss"
 * "Dawn"

SINESTRO CORPS WAR

 * 1) "Fear"
 * 2) "Will"
 * 3) "Rage"
 * 4) "Darkness"
 * 5) "Light"

Justice League (Year Six) - Injustice League

 * 1) "Hostile Takeover"
 * 2) "Alter Ego"
 * 3) "The Warlord"
 * 4) "Hearts & Minds"
 * 5) "Who Profits?"
 * 6) "Black Dawn"
 * 7) "Imperius Lex"

(Before EP1) - Forever Evil

 * 1) "Fearful Symmetry"
 * 2) "Two Evils"
 * 3) "Forever Heroes"

Drowned Earth

 * 1) "Throne of Atlantis"
 * 2) "Trench"
 * 3) "Lighthouse"
 * 4) "Ocean Master"
 * 5) "Seven Seas"

No Man's Land

 * 1) "Lazarus"
 * 2) "Cataclysm"
 * 3) "Dark Twin"

Crisis in Space!

 * 1) "Our Worlds at War"
 * 2) "Under Strange Skies"
 * 3) "Planetfall"
 * 4) "Styx"
 * 5) "Terminus"

Zero Hour

 * 1) "Out of Time"
 * 2) "Future Tense"
 * 3) "Supernova"
 * 4) "Parasite"
 * 5) "Vanishing Point"

New Krypton

 * 1) "Kandor"
 * 2) "Sunrise"
 * 3) "House of El"
 * 4) "Master Race"
 * 5) "Last Son of Earth"

Justice Society Infinity

 * 1) "Mystery Men"
 * 2) "Frontlines"
 * 3) "Fear Itself"
 * 4) "Generation Lost"
 * 5) "New Frontier"

Suicide Squad

 * 1) "Task Force X"
 * 2) "Suicidal Tendencies"
 * 3) "Blacklisted"
 * 4) "Unthinkable"
 * 5) "Regicide"

Justice League Dark (S4) - Last Age of Magic

 * 1) "Mythology"
 * 2) "Gods Among Us"
 * 3) "Mark of the Beast"
 * 4) "Nightfall"
 * 5) "Jerusalem"

BLACKEST NIGHT

 * 1) "Black Hand"
 * 2) "Resurrection"
 * 3) "Immortal"
 * 4) "Lantern"
 * 5) "Annihilation"
 * 6) "Rebirth"

Brightest Day

 * 1) "Reborn"
 * 2) "Aftermath"
 * 3) "New Justice"
 * 4) "Convergence"
 * 5) "Divergence"
 * 6) "Loose Ends"
 * 7) "Homecoming"

Generations

 * 1) "Son of Superman"
 * 2) "Batman Beyond"
 * 3) "Justice Unlimited"

DC One Million

 * 1) "Millennium"
 * 2) "Future's End"
 * 3) "Legends"

Links

 * Full Reading Order