Warner Bros. Games and TT Games have unveiled the Mayhem Collection DLC for LEGO Batman: Legacy of the Dark Knight, expanding the game with fresh content. The pack introduces a new story mission alongside a dedicated Mayhem Mode, complemented by the Sinister Pack, which adds villainous character options to the roster.
The DLC represents a typical post-launch content strategy for the LEGO Batman franchise, offering both narrative expansion and gameplay variety through its mode additions. The specifics of what the story mission entails and the exact nature of characters in the Sinister Pack remain vague from available details, suggesting this is an early reveal ahead of broader information.
- New story mission and Mayhem Mode arrive alongside the Sinister Pack character bundle.
- Post-launch DLC continues TT Games' established pattern for the LEGO Batman series.
- Full details on content scope and character roster remain limited at this announcement stage.
All coverage
Gamereactor UK
· Aug 28, 18:00 UTC
Lego Batman: Legacy of the Dark Knight is getting a visit from Joker and Harley Quinn
As we've mentioned before, {Lego Batman: Legacy of the Dark Knight} will be expanded with DLC featuring both Harley Quinn and the Joker, as well as a new story. It also includes a new game mode called Mayhem Mode and something called the Si…
Gamingtrend
· Aug 26, 18:51 UTC
New DLC comes to LEGO Batman: Legacy of the Dark Knight
Arrives the same day as the Switch 2 release
GoNintendo
· Aug 26, 16:48 UTC
LEGO Batman: Legacy of the Dark Knight hits Switch 2 Sept. 18th, 2026, DLC Trailer Showcases The Joker & Harley Quinn as Playable Characters
Looks like a laugh riot
My Nintendo News
· Aug 26, 16:07 UTC
LEGO Batman: Legacy of the Dark Knight official Mayhem Collection DLC trailer
The well received LEGO Batman: Legacy of the Dark Knight is getting a DLC pack which is titled Mayhem Collection and brings about new content, outfits and a new difficulty level. The new difficulty level named Absolute will apply to anyone…
Gamingbolt
· Aug 26, 15:05 UTC
LEGO Batman: Legacy of the Dark Knight Reveals New Mayhem Collection DLC Gameplay
The Joker breaking out of Arkham isn’t a surprise, but what happens after is definitely unexpected as this DLC takes things up a notch.
Cgmagonline
· Aug 26, 14:58 UTC
LEGO Batman: Legacy of the Dark Knight DLC Brings Chaos, With Joker And Harley Quinn Now Playable
LEGO continues to press on the gas, as LEGO Batman: Legacy of the Dark Knight DLC is here, and it will allow players to embody the Joker and Harley Quinn.
Nintendolife
· Aug 26, 14:45 UTC
LEGO Batman: Legacy Of The Dark Knight DLC Trailer Showcases All-New Arkham Mission
Launching alongside the Switch 2 release. We've been patiently waiting for LEGO Batman: Legacy of the Dark Knight to make its way to Switch 2, and next month's 18th September launch date is going to be all the sweeter since it also marks th…
Noisypixel
· Aug 26, 13:58 UTC
LEGO Batman: Legacy of the Dark Knight Mayhem Collection DLC Adds New Story Mission and Mode September 18
Warner Bros. Games and developer TT Games have announced the LEGO Batman: Legacy of the Dark Knight Mayhem Collection DLC, releasing on September 18, 2026. This content will feature a new story mission, the Mayhem Mode, and the Sinister Pac…
Gematsu
· Aug 26, 13:45 UTC
LEGO Batman: Legacy of the Dark Knight DLC ‘Mayhem Collection’ announced
publisher Warner Bros. Games and developer TT Games have announced LEGO Batman: Legacy of the …
Nintendoeverything
· Aug 26, 13:15 UTC
LEGO Batman: Legacy of the Dark Knight unveils Mayhem Collection DLC
Warner Bros. Games and TT Games provided a first look at the new Mayhem Collection DLC for LEGO Batman: Legacy of the Dark Knight. The DLC features a new story mission, a Mayhem Mode, and the Sinister Pack. The story mission has players bre…
IGN
· Aug 26, 13:10 UTC
Exclusive: LEGO Batman: Legacy of the Dark Knight Deluxe Edition - Mayhem Collection DLC Trailer Reveals The Joker and Harley Quinn Story Mission and More
During our IGN gamescom Studio livestream, we were able to exclusively reveal the LEGO Batman: Legacy of the Dark Knight Deluxe Edition - Mayhem Collection DLC trailer, which features an exciting look at the new story mission starring Harle…