Aspen Comics' "Fathom" Volume 7 #2, is written by Ron Marz and illustrated by Siya Oum, with covers by Oum and Mirka Andolfo, available August 1, 2018:
"...this new adventure for Aspen's pre-eminent hero sees her attempt to navigate an ever-changing world where 'The Blue' are not only present above the surface -- but exploited in new and dangerous ways.
"With her brother 'Finn' suddenly missing, 'Aspen Matthews' takes a deep dive to look for help, arriving in a majestic undersea city.
"Will she find the allies she so desperately needs, or enemies looking for vengeance?
"Meanwhile, the mysterious agents who have kidnapped Finn begin a series of unholy experiments to unlock the secrets of his powers..."
Click the images to enlarge...