Complete story — includes the ending
As J'onn has been feeling more alone in the tower, Wonder Woman is busy at a United Nations conference on change in the world, when the icy location goes under attack by the Secret Society members Giganta, Killer Frost, and Heat Wave. She is tasked with protecting the body of the Viking Prince from members of the Secret Society who want to reverse engineer invulnerability powers from it. Troubled by his isolation, Martian Manhunter leaves the Justice League to better understand humanity.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, List of Justice League Unlimited episodes. HTML formatting and reference markers removed. · Content license