Justice Society: World War II (2021) Timeline Explained – Every Event in Order

Barry Allen travels to 1940 while experiencing the Speed Force for the first time. When Brainiac fires a Kryptonite-laced bullet at Superman, Barry dives into the Speed Force to intercept the projectile. The mysterious voice guiding him throughout his journey belongs to Kent Nelson (Doctor Fate), who draws Barry to this specific time period to assist the Justice Society with their critical mission.

Foreshadowing: The voice guiding Barry in the Speed Force is first heard when he catches the Kryptonite bullet, hinting at Doctor Fate's involvement before Barry even realizes it.

• barry allen
• speed force
• time travel
• first time
• doctor fate
• kent nelson

The Advisor is a cunning telepathic mercenary who manipulates Aquaman into aligning the Atlantean forces with the Nazis. His goal is to help the Nazis eradicate the Justice Society of America and seize dominion over Earth. He controls Aquaman through mental manipulation, forcing him to set a trap for the heroes. The Advisor ominously reveals an imminent Nazi bomber strike before being killed by Barry.

Foreshadowing: The Advisor's presence is hinted at when the Atlantean rescue turns out to be a trap, showing his manipulation began earlier than the heroes realized.

• advisor
• telepath
• nazi alliance
• aquaman
• manipulation
• villain

Wonder Woman uses her Lasso of Truth to sever the Advisor's telepathic connection to Aquaman. This act frees the Atlantean king from the mercenary's mental control, allowing Aquaman to regain his senses. Ashamed of his actions under manipulation, Aquaman signals his troops to withdraw and retreats, ending the Nazi-Atlantean alliance.

Foreshadowing: The Lasso of Truth's power over mind control is established earlier when Wonder Woman uses it to compel honesty.

• wonder woman
• lasso of truth
• aquaman
• advisor
• mental control
• break free

Doctor Fate (Kent Nelson) serves as Barry's mysterious guide because Barry needs to learn a vital lesson before returning home: to seize the moment. Fate cryptically directs the Justice Society toward the Bermuda Triangle to decode a critical message and helps orchestrate the events that will teach Barry about courage and taking action. This guidance prepares Barry for his ultimate decision to propose to Iris.

Foreshadowing: Doctor Fate vanishes at the Bermuda Triangle after delivering his cryptic instructions, his purpose fulfilled in Barry's journey.

• doctor fate
• kent nelson
• guide
• speed force
• lesson
• prophecy

After experiencing the events of 1940 and learning from Doctor Fate that he must seize the moment, Barry returns to his timeline moments before Brainiac attacks again. He defeats Brainiac once more, then proposes to Iris, who accepts. This represents Barry's growth from someone who hesitates to act to someone who takes decisive action in both heroics and love.

Foreshadowing: Wonder Woman's warning to Barry as he leaves, 'Seize the moment', directly foreshadows his proposal decision.

• barry allen
• iris west
• proposal
• time travel
• seize moment
• marriage

Steve Trevor proposes to Wonder Woman after the battle against the Nazi-Atlantean alliance concludes successfully. Their relationship has developed throughout the mission, and Trevor seizes the moment to ask her to marry him. Wonder Woman gracefully accepts, marking a romantic conclusion amid the wartime heroism.

Foreshadowing: The growing bond between Trevor and Wonder Woman is evident throughout the mission as they fight together.

• steve trevor
• wonder woman
• proposal
• marriage
• romance
• jsa

The sea monsters that arrive during the battle over Manhattan are controlled by the Advisor as part of his larger plan. Though the Advisor is killed before fully executing his scheme, the sea monsters were programmed to attack anyone, including the Atlanteans themselves. This turn of events helps the JSA gain the upper hand, with Jay Garrick and Black Canary defeating the creatures and shifting the battle's outcome.

Foreshadowing: The Advisor's ominous reveal about the imminent bombing suggests he had multiple contingency plans that went awry.

• sea monsters
• atlantean
• nazi
• manhattan
• battle
• advisor control

The Justice Society travels to the Bermuda Triangle to decode a critical message using the codebreaker they rescued, Kent Nelson. This message contains vital intelligence that helps the heroes understand the full scope of the Nazi-Atlantean plot. The mission is crucial because it provides the information needed to counteract the enemy's plans, though Doctor Fate vanishes during this journey after delivering his final instructions.

Foreshadowing: Doctor Fate's cryptic guidance toward the Bermuda Triangle establishes its importance before the team even arrives.

• bermuda triangle
• codebreaker
• message
• nazi
• 解码
• mission

When bullets harmlessly ricochet off Clark Kent during the fortress infiltration, Barry realizes this is an alternate reality version of Superman, not the one he knows from his timeline. This revelation confirms that Barry has traveled to a different timeline entirely, where an alternate Justice Society operates during World War II.

Foreshadowing: The prisoner recognizes Clark Kent as 'Shakespeare' and calls him by a different name, hinting at the reality shift before the bullet proof reveals Clark's identity.

• clark kent
• superman
• alternate reality
• different timeline
• jsa
• 1940

Steve Trevor gives Barry a ring as a memento of their bond and shared mission. This ring serves as a physical reminder of Barry's journey through time and his alliance with the Justice Society. Wonder Woman uses this moment to deliver her final advice: to seize the moment without delay, which directly influences Barry's decision to propose to Iris upon returning home.

Foreshadowing: The ring symbolizes the connection between different eras of heroes and foreshadows Barry's commitment to building a new coalition.

• ring
• trevor
• memento
• farewell
• jsa
• connection

After working with the Justice Society and witnessing threats that span multiple dimensions, including the Nazi-Atlantean alliance and the Advisor's schemes, Barry recognizes that Earth needs a unified team of heroes to tackle threats across different dimensions. With Iris supporting him, Barry envisions creating a superhero coalition that can respond to multiversal dangers, setting up the foundation for future heroic teams.

Foreshadowing: Barry's experience with the JSA demonstrates the effectiveness of teamwork against large-scale threats.

• superhero coalition
• barry allen
• multiverse
• team formation
• jsa
• future

Before Barry kills the Advisor, the mercenary ominously reveals that an aerial strike by Nazi bombers is imminent, posing a final threat to the heroes and civilians. This revelation raises the stakes even in the Advisor's dying moments. Meanwhile, Kent Nelson dons his Doctor Fate costume gifted by Trevor and embarks on a mission to intercept and dismantle the incoming bombers, addressing this final danger.

Foreshadowing: The Advisor's final threat underscores the ongoing nature of the Nazi menace even after the main battle concludes.

• advisor
• nazi bombers
• bombing threat
• kent nelson
• doctor fate
• final threat