“Riddle Me This!”
The Super Friends are challenged by the Riddler and his gang of clue-related villains, but both sides are tricked into solving a puzzle posed by the Duke of Deception, which releases a giant rampaging robot.
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Super Friends #28 (2008) is issue #28 of DC's Super Friends (2008–2010), with a cover date of August 2010. Written by Sholly Fisch and drawn by Dario Brizuela.
Credits, characters and story details from the Grand Comics Database, CC BY-SA 4.0.