Watch these reviews and recaps to see how the team begins to form and face their first major challenge: Justice League 1x2 | Secret Origins: Part II | REACTION YouTube · Mangual Jordan Justice League Season 1 Episode 2 Review-Secret Origins Pt2 YouTube · Smirking Gun

This team manages to infiltrate a factory to steal its power source (an ion crystal). Key Themes & Developments

Following the initial alien invasion in Part I, the episode focuses on the heroes rallying together after J'onn J'onzz telepathically summons them. J'onn reveals his tragic backstory: he is the sole survivor of a Martian civilization wiped out by these same parasitic invaders, who have now turned their sights on Earth.

The episode concludes on a high-stakes note with Superman and Hawkgirl captured, and Batman seemingly killed after sacrificing himself to ensure J'onn and Wonder Woman escape with the ion crystal.

" Secret Origins: Part II " is the second installment of the three-part series premiere of the Justice League animated series, which originally aired on . This episode is pivotal as it marks the first time the iconic team— Superman, Batman, Wonder Woman, Green Lantern (John Stewart), The Flash (Wally West), Hawkgirl, and Martian Manhunter (J'onn J'onzz) —officially unites to face a global threat. Plot Summary