When Damian Wayne goes to redeem his prize tickets at the carnival, one of the prizes hanging on the wall is mask resembling Bruce Timm, a long time producer of DC Comics animated properties, including the original Teen Titans 2003 series.
Justice League vs. Teen Titans
Robin is sent by Batman to work with the Teen Titans after his volatile behavior botches up a Justice League mission. The Titans must then step up to face Trigon after he possesses the League and threatens to conquer the world.
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