Batman: Arkham Asylum
- While fighting Prototype LexBot near the end of level 9, the robot runs into the walls and can be hurt similar to Bane and the Titan Thugs from Batman: Arkham Asylum.
Batman: Arkham City
- During the intron for level 4, "Arkham Assignment", Vicki Vale refers to a failure to have the inmates locked up in a walled off area of Gotham City by the mayor. This is a reference to what occurs in Arkham City. Additionally, listen when Vicki Vale says "Hey, at least the mayor's plan to let them loose in some vast, walled off area in the heart of the city got put on hold. Now, that would've never have ended well" in the news report.
Superman theme music
- While flying as Superman outside of a level, the theme from the Superman movie will play.