Boy Wonder and the Defenders

William Wayne, the adopted son of Bruce Wayne and former Robin, comes to New York, trying to leave his past life behind, but finds that not so easy when he stumbles upon a ninja cult trying to destroy New York, and is forced to suit up again, with a retired blind ninja-vigilante, a P.I. with superstrengh, a bulletproof black man , and an idiot billionaire with a glowing fist.