I'm not convinced the show is even going to happen. Doesn't the guy behind this also own the rights to Cowboy Bebop, which he's done nothing with?
Oda's given it his blessing, apparently, and i'd have to imagine that doesn't come easily for something like this that would be likely to damage the property's reputation (not that One Piece hasn't been used for a bunch of cheap crap, but crappy figurines or a mediocre video game aren't going to make your IP into a laughingstock like a terrible live-action TV adaptation would).