Superman/ Batman. Big Noise

"A hidden threat from the stars ... only the Man of Steel and the Dark Knight detective can stop it! A time-lost Kryptonian ship, its crew murdered. A missing escape pod. A mysterious attack by a powerful assassin on an insignificant reporter named Clark Kent. These are the clues in a mystery that will take all of Batman's detective skills and Superman's incredible strength to solve"--P. [4] of cover.