J'onn reveals the tragic history of his home planet. A thousand years ago, Mars was a peaceful civilization until these parasitic invaders arrived, feeding on Martian psychic energy and eventually wiping out the entire race. J'onn, the sole survivor, had kept them in stasis for centuries until Earth astronauts accidentally released them. The Invasion Intensifies
: The initial duo investigating the threat. Episode 2: Secret Origins (2)
: Arrives last, quickly making his presence known with his speed and lighthearted attitude. The Fall of Mars J'onn reveals the tragic history of his home planet
In the second part of the Justice League premiere episode, "," the world’s greatest heroes finally unite to combat a global alien invasion. The Heroes Assemble The Invasion Intensifies : The initial duo investigating
: Princess of the Amazons, who leaves Themyscira against her mother’s wishes to aid "Man's World".