: After earning the Dark Knight's trust, Maxwell and Lily learn that a villain matching Maxwell's description is helping the Joker. This villain is Doppelganger, Maxwell's evil twin creation from a previous adventure.

: The combination works too well, and the pair are sucked directly into the DC Comics universe. Upon arrival, Lily's magical globe shatters, scattering its powerful energy sources—known as Starites—across the universe.

In Scribblenauts Unmasked: A DC Comics Adventure , the story begins with a sibling disagreement between the protagonist Maxwell and his twin sister, Lily.

: Maxwell and Lily must team up with Batman, Superman, and the rest of the Justice League . They travel through iconic locations like Metropolis and Atlantis to solve puzzles and collect the missing Starites.

: By outsmarting the villains with creative notebook summons, Maxwell recovers all the Starites, repairs Lily's globe, and sends Doppelganger back to his own world before the siblings return safely home.

: Stranded in a dark Gotham alleyway, they are intercepted by Batman, who initially suspects they are criminals. Maxwell quickly proves their good intentions by using his notebook to conjure up tools and help Batman defeat the villain Deadshot.

: Both are massive fans of DC Comics but cannot agree on which of their favorite superheroes would win in a fight.