Justice League vs. the Fatal Five

Batman sends Star Boy to Arkham because his stabilizing medication was destroyed during the time jump to the 21st century. Without his medicine, Star Boy's behavior becomes increasingly erratic and unpredictable. Batman, unfamiliar with this individual from the future and witnessing his unstable conduct, concludes that Arkham is the appropriate place for containment until they can understand who he is and what threat he poses.

Earlier scenes show the time sphere crash-landing in Gotham City, where Star Boy emerges disoriented and vulnerable.

The Fatal Five target Jessica Cruz because she is the potential Green Lantern, the hero destined to wield a Green Lantern power ring. The villains intend to eliminate her before she can fulfill her destiny and join the Legion of Super-Heroes in the future. By preventing Jessica from becoming a Green Lantern, the Fatal Five aim to stop the Legion from ever forming, which would allow them to rule the future unchecked.

Batman deduces Jessica is the target after analyzing the time travelers' motives.

The Eye appears to be a powerful weapon or device that the Fatal Five use in their scheme to destroy the Sun. While the exact nature of the Eye is not fully explained, it is an object of immense destructive potential that, when plunged into the Sun, threatens to fracture the star and cause catastrophic damage to Earth. Star Boy pursues Superman and Jessica to stop it but arrives too late.

TheFatal Five's plan involves a weapon capable of stellar destruction, building on their earlier threat to bomb American cities.

Emerald Empress wants to destroy the Sun to prevent the Legion of Super-Heroes from ever forming in the future. By annihilating the Sun and wiping out humanity, she ensures that the civilization that gives rise to the Legion will never exist. This represents the Fatal Five's ultimate goal: not just to escape capture, but to fundamentally alter the timeline by eliminating the future heroes who would eventually oppose them.

Earlier scenes establish that Emerald Empress and Validus were previously captured by the Legion and taken to Oa.

Jessica overcomes her fear when Emerald Empress seizes the Green Lantern energy and threatens to destroy the Sun. Faced with an existential threat to humanity, Jessica finds renewed purpose. She recites her Green Lantern oath, 'In brightest day, in blackest night, no evil shall escape my sight', and recharges her ring, literally and figuratively reclaiming her power. This moment represents her transformation from a traumatized survivor back into a confident hero.

Wonder Woman has been advocating for Jessica's inclusion in the League throughout the film, believing in her potential.

Star Boy sacrifices himself because he is the only one with the power to repair the Sun after the Eye causes it to fracture. When Superman, Jessica, and Star Boy pursue the Eye, they arrive too late to prevent it from plunging into the Sun. Star Boy descends into the Sun's core and uses the full extent of his powers, the same powers that made him valuable to the Legion and dangerous to the Fatal Five, to stabilize the star and prevent catastrophe, giving his life to save humanity.

The film establishes that Star Boy possesses immense, unstable power that the Legion needed.

Star Boy possesses immense mental powers that require daily medication to keep stable and under control. His abilities are powerful enough to be crucial in the Legion's fight against the Fatal Five, which is why he was targeted during the attack on Legion headquarters. When unmedicated, his powers cause erratic behavior. Ultimately, his full power allows him to descend into the Sun's core and repair the fractured star, demonstrating the scale of his abilities.

The Persuader notes Star Boy's unique power during the initial assault on Legion HQ.

Miss Martian earns her invitation to the Justice League by proving herself during the crisis with the Fatal Five. Despite Batman's initial skepticism about her readiness, she demonstrates courage and capability during the Gotham News Network hostage situation and the subsequent battles. Her telepathic link with Star Boy's mind, allowing the League to witness the Legion's past, proves invaluable. After the victory, Batman personally informs her she has been invited to join, and she accepts.

Miss Martian works throughout the film to prove herself to Batman and earn membership.

Mister Terrific accidentally deactivates the stasis field while analyzing the time sphere at the Justice League Watchtower. His work was intended to understand the technology and potentially use it against the Fatal Five. However, his analysis inadvertently disrupts Brainiac 5's programmed trap, freeing the villains who had been sealed inside. This mistake sets the stage for the Fatal Five's renewed assault on the present day.

The stasis field was created by Brainiac 5 as a safety mechanism when the time sphere transported everyone to the 21st century.

Superman gets wounded during the initial confrontation with the newly freed Fatal Five at the Watchtower. After Mister Terrific accidentally deactivates the stasis field, Superman engages the villains directly. However, the Persuader lands a strike with his axe, injuring Superman. This wound is significant enough to affect Superman's effectiveness in the fight and allows Emerald Empress and Validus to escape, demonstrating that even the most powerful hero can be hurt by the right weapons.

The Persuader is established as a dangerous combatant during the assault on Legion headquarters.

Star Boy breaks out of Arkham when a news report about the Justice League's battle with the Fatal Five jogs his memory. The news reminds him of who he is and why he came to this time period, he is a Legionnaire who was pulled through time during the fight against the villains. Recognizing that theFatal Five are still a threat and understanding his own mission, he uses his powers to escape Arkham and rejoin the fight, heading directly to protect Jessica Cruz, the target he now knows the villains are after.

Star Boy's memory was fragmented after the traumatic time jump and loss of his medication.

Jessica Cruz has been isolated for ten months because she is dealing with severe trauma from a near-fatal encounter. The experience left her afraid to leave her apartment, trapped by fear and anxiety. Wonder Woman has been actively advocating for her inclusion in the Justice League during this time, recognizing that Jessica's potential as a Green Lantern makes her valuable to the team. The ten-month period shows both Jessica's struggle with PTSD and the League's efforts to support her recovery.

The film establishes Jessica's fear as a major emotional obstacle she must overcome.