(W) Adam Beechen, Derek Fridolfs, J.T. Krul. (A) Adam Archer, Ben Caldwell, Howard Porter, Livesay. (CA) Norm Breyfogle. In 'Batman Beyond,' Terry squares off against the sinister Shriek, while Max uncovers the shocking truth about Undercloud. Plus: The Justice League continues the search for Kai-Ro, and you won't believe who's coming to the rescue in 'Superman Beyond'!