Uncanny Avengers Volume 1. Counter-Evolutionary

From the ashes of AXIS an all-new, all different Avengers assemble The tragedy at the end of AXIS has left the Uncanny Avengers vulnerable, and someone is taking advantage of it. One of the Avengers oldest foes returns with a terrible secret that will, all hyperbole aside, shatter the lives of two members of the squad. What is Counter-Earth? What terrible secrets does it house?