Downloadable Content

Downloadable Content (often referred to as DLC) is any downloaded add-on to the game.

In DCUO downloadable content is available from the marketplace.

Powers
Note: DLC powers were originally tied to specific DLCs packs which included playable content. Powers are now sold separate from playable content which are now labeled as Episodes. Players who purchased a DLC pack prior to the change retain access to the power.
 * Atomic
 * Celestial
 * Earth
 * Electricity
 * Light
 * Munitions
 * Quantum
 * Rage
 * Water

Upgrades

 * Shield weapon access
 * Utility Belt access
 * Lair System access
 * Skimming movement variant access

Episode 1 : Fight for the Light

 * Ferris Aircraft Tier 3 Duo
 * Oan Sciencells Tier 2 Alert
 * S.T.A.R. Labs Research Facility Tier 2 Alert
 * Coast City Tier 3 Alert

Episode 2 : Lightning Strikes

 * Central City access with daily Tier 3 missions
 * Flashback Tier 2 Duo
 * 9 daily Tier 3 Bounties

Episode 3 : The Battle for Earth

 * Riverfront Center Tier 2 Duo
 * Gotham Hospital Tier 2 Duo
 * Riverside Hotel Tier 2 Duo
 * South Gotham Courthouse Tier 3 Alert
 * Gates of Tartarus Tier 4 Raid
 * The Prime Battleground Tier 4 Raid
 * Battle for South Gotham daily Tier 2 missions

Episode 4 : The Last Laugh

 * Shady Nightclub Tier 3 hero Duo
 * Police Station Tier 3 villain Duo

Episode 5 : Hand of Fate

 * Wayward Souls Tier 4 4-Man hero Operation
 * Soul Alchemy Tier 4 4-Man villain Operation
 * With a Vengeance Tier 4 8-Man hero Operation
 * A Black Dawn Tier 4 8-Man hero Operation
 * Unpaid Dues Tier 4 8-Man villain Operation
 * Seeds of Rot Tier 4 8-Man villain Operation

Episode 6 : Home Turf

 * Ace Chemicals daily Tier 4 hero missions
 * Stryker's Island daily Tier 4 hero missions
 * Arkham Island  daily Tier 4 villain missions
 * Steelworks daily Tier 4 villain missions
 * Daily Tier 4 Bounties

Episode 7 : Origin Crisis

 * Iconic Anomaly: The Hunt Tier 5 Challenge
 * Iconic Anomaly: Test Subject #1 Tier 5 Challenge
 * Brothers in Arms Tier 5 4-Man Operation
 * Family Reunion Tier 5 4-Man Operation
 * Nexus of Reality Tier 5 Raid
 * Paradox Wave Tier 5 Raid

Episode 8 : Sons of Trigon

 * Gotham Wastelands access with daily Tier 5 missions
 * Tunnel of Lust Tier 5 Duo
 * Ruined Cathedral Tier 5 Duo
 * Knightsdome Arena Tier 5 Duo
 * Trigon’s Prison Tier 5 Alert
 * Raven weekly Tier 5 Bounty

Episode 9 : War of the Light Part I

 * Mist Recovery Tier 5 4-Man Operation
 * Strike Team Tier 5 4-Man Operation
 * Assault and Battery Tier 5 8-Man Operation
 * Mogo's Command Center or Ranx's Command Center access
 * Downtown Metropolis Battlezone access with weekly Tier 5 missions

Episode 10 : Amazon Fury Part I

 * Aegis of Truth Tier 6 Challenge
 * Circe’s Trial Tier 6 Challenge
 * Port of Paradise Tier 6 Duo
 * Supply Lines Tier 6 Duo
 * Gotham Under Siege access with daily Tier 6 missions
 * Themyscira Divided Tier 6 Alert

Episode 11 : Halls of Power Part I

 * Intergang Crime Wave Tier 6 4-Man Operation
 * Security Breach Tier 6 Alert
 * Artifacts from the Past Tier 6 8-Man Operation
 * Relics of Urgrund Tier 6 Raid
 * Lockdown Tier 6 Raid

Episode 12 : War of the Light Part II

 * Spark of Parallax Tier 6 Challenge
 * Spark of Ion Tier 6 Duo
 * Zamaron Conversion Chamber Tier 6 Alert
 * Avarice Impurity Tier 6 4-Man hero Operation
 * Rage Impurity Tier 6 4-Man villain Operation
 * Love and War Tier 6 8-Man Operation
 * Downtown Metropolis Battlezone access with daily Tier 6 missions

Episode 13 : Amazon Fury Part II

 * Return to the Nexus Tier 6 Operation
 * Act of Defiance Tier 6 Operation
 * Labyrinth of Lost Souls Tier 6 Raid
 * Halls of Hades Tier 6 Raid
 * Throne of the Dead Tier 6 Raid
 * Gotham Under Siege access with daily Tier 6 mission

Episode 14: Halls of Power Part II

 * Resource Recovery Tier 7 Duo
 * League Hall: Malfunction Tier 7 Duo
 * Fatal Exams Tier 7 4-Man Operation
 * New Genesis Now Tier 7 8-Man Operation
 * Happiness Home Tier 7 Raid
 * New Genesis access with daily Tier 7 missions

Episode 15

 * The Bombshells Paradox Tier 7 8-Man Operation
 * Corrupted Zamaron Tier 7 Duo

Episode 16

 * Desecrated Cathedral Tier 7  Alert
 * Oa Under Siege Tier 7 solo mission

Episode 17

 * Unholy Matrimony Tier 7 8-Man Operation
 * Flash Museum Burglary Tier 7 Duo

Episode 18

 * Blackest Day Tier 7 8-Man Operation
 * The Demon's Pit Tier 7 Duo

Episode 19

 * The Demon's Plan Tier 7 Alert
 * Deep Desires Tier 7 Challenge

Bundles

 * Power Bundle
 * Light, Electricity, Earth, Quantum, Celestial, Rage
 * Episode Pack I
 * Episodes 1-5
 * Episode Pack II
 * Episodes 6-9
 * NEW Ultimate Edition
 * Episodes 1-9
 * Light, Electricity, Earth, Quantum, Celestial, Rage
 * Access to Shield, Utility Belts, and the Lair System
 * Power of Light Bundle
 * Light and Rage Powers
 * Green, Red, and Gold Auras
 * Hal Jordan and Sinestro Legends characters
 * Gear Up Bundle
 * Access to Shield, Utility Belts, and the Lair System
 * Ultimate Base Bundle
 * Access to the Lair System
 * 4 Armories
 * 2 Deeds
 * Penthouse and Eastern Lair Themes
 * Day Trader, War Room, and Industrious Amenity Packs