Aquaman #4 Cover A John Timms

BETRAYAL IN SHIFTING WATERS! Aquaman heads upstream to uncover the mystery around the infection of the blue...so why does that spark an unholy alliance with a mermaid assassin? And what on earth (or otherwise) does that have to do with sky pirates and prophecies?! Revelations run wild as our hero looks for a way home before he's seduced by the great blue beyond!