Challengers of the Unknown #2THE CHALLENGERS FACE A DEEP SEA MYSTERY! The odyssey of the Challengers continues on the Watchtower and beyond! Bracing under the strict oversight of Mister Terrific in their investigation into the Godshock and still reeling from something Unknown rattling them all internally, it's June's turn to be shaken to the core when a strange rupture in the deepest part of the ocean draws the League's scrutiny and awakens the most difficult creation of her