LEGO Batman builds mayhem with Joker & Harley Quinn

Mason Carter 09/15/2026

Mayhem Unleashed: Play as the Clown Prince and his Sweetheart in the New LEGO Batman DLC

Gotham City is famous for its heroes, but what happens when you trade the cape for chaos? LEGO Batman is getting a wild upgrade with the Mayhem Collection DLC, throwing players into the spotlight as the iconic super-villains, The Joker and Harley Quinn. This expansion invites fans to explore the dark, chaotic legacy of Gotham City from the perspective of the two most recognizable antagonists in DC history.

The new content pays deep homage to the foundational brilliance of Batman: The Animated Series, drawing heavily from the beloved world created by Bruce Timm and Paul Dini. Fans will find nods to the original television format throughout the expansion, including cutscenes presented in the classic 4:3 aspect ratio. It’s a celebration of the villains who define Gotham’s darker side, woven seamlessly into the LEGO universe.

One particularly charming detail awaits the keen-eyed player: a hidden shop in Gotham called Sorkin’s Gems. This little gem is a tribute to the late voice actor, Arleen Sorkin, whose performance brought such warmth and energy to Harley Quinn’s character. It’s a subtle, heartfelt nod that adds another layer of personality to the villainous adventure.

The core story mission plunges players into the origins of the chaos. You will experience Harley Quinn’s journey, starting as Dr. Harleen Quinzel before meeting The Joker and embracing their villainous destiny. The narrative takes you through the escape from Arkham Asylum, culminating in a legendary breakout party as the duo throws a celebration for the ages.

Once free, The Joker and Harley head to their new hideout beneath Amusement Mile, establishing a sprawling villain base in Gotham. Players can customize and expand this space, decorating every corner with their signature flair and acquiring custom props for the duo.

The true fun, however, lies in the Mayhem Mode. This repeatable, time-limited gameplay sends players on a relentless run-and-gun adventure across a locked-down Gotham North Island. Seek and destroy chaos by robbing shops, smashing ATMs, stealing vehicles, and engaging in spectacular battles with A.R.G.U.S. agents and Task Force X. Every successful run rewards players with studs, which can be spent on permanent upgrades, new outfits, and exclusive customizations for The Joker and Harley.

Adding another layer of tactical depth is the introduction of the Henchmaster. This new character allows The Joker and Harley to rescue Arkham inmates and, through training, assemble a customizable crew to fight alongside them, adding strategic depth to the mayhem.

The gameplay experience emphasizes fast, frenetic, and ranged combat. While the villains retain their familiar abilities, the Mayhem Collection focuses on new gadgets and a run-and-gun style that perfectly suits the chaotic pace of the mode. It’s a chance to feel the speed and energy of the duo as they create their own villainous legacy.

From the walls of Arkham Asylum to the streets of Amusement Mile, the Mayhem Collection empowers fans to create a vibrant, humorous, and deeply rooted story of villainy. It’s a playful celebration of Gotham’s super-villains, ensuring that the legacy of The Joker and Harley Quinn is built with unforgettable fun.

The Mayhem Collection DLC will arrive on September 18 for XBOX Series X|S, offering players a fresh, hilarious, and unforgettable villainous adventure.