Il y a bien longtemps, dans une galaxie lointaine? Luke Skywalker est porté disparu. Le pilote Poe est en mission secrète sur une planète pour le retrouver. Au moment où la diabolique armée « Premier Ordre » apparaît en détruisant tout sur son passage, il arrive à cacher la position géographique de l'ancien maître Jedi dans son droïde BB-8. Capturé par les larbins du machiavélique Kylo Ren, Poe est libéré par le soldat ennemi Finn qui est en pleine crise existentielle. Pendant ce temps, BB-8 est recueillie par Rey, une pilleuse d'épaves qui sera bientôt plongée dans une quête qui la dépasse.
In 1996, treasure hunter Brock Lovett and his team aboard the research vessel Akademik Mstislav Keldysh search the wreck of RMS Titanic for a necklace with a rare diamond, the Heart of the Ocean. They recover a safe containing a drawing of a young woman wearing only the necklace dated April 14, 1912, the day the ship struck the iceberg. Rose Dawson Calvert, the woman in the drawing, is brought aboard Keldysh and tells Lovett of her experiences aboard Titanic.
The Asgardian Loki encounters the Other, the leader of an extraterrestrial race known as the Chitauri. In exchange for retrieving the Tesseract, a powerful energy source of unknown potential, the Other promises Loki an army with which he can subjugate Earth. Nick Fury, director of the espionage agency S.H.I.E.L.D., and his lieutenant Agent Maria Hill arrive at a remote research facility during an evacuation, where physicist Dr. Erik Selvig is leading a research team experimenting on the Tesseract. Agent Phil Coulson explains that the object has begun radiating an unusual form of energy. The Tesseract suddenly activates and opens a wormhole, allowing Loki to reach Earth. Loki takes the Tesseract and uses his scepter to enslave Selvig and a couple of agents, including Clint Barton, to aid him in his getaway.
Two decades after the events at Jurassic Park, a new theme park, Jurassic World, now operates in Isla Nublar, off the Pacific coast of Central America. This new park is run by the Masrani Global Corporation, which also owns InGen, the genetics company that creates the dinosaurs. Brothers Zach and Gray Mitchell are sent to visit their aunt, Claire, Jurassic World's operations manager. Claire's assistant greets them as she is too busy recruiting corporate sponsors.
After defeating Owen Shaw and his crew and securing amnesty for their past crimes, Dominic "Dom" Toretto, Brian O'Conner, and the rest of their team have returned to the United States to live normal lives again. Brian begins to accustom himself to life as a father, while Dom tries to help Letty Ortiz regain her memories. Meanwhile, Owen's older brother, Deckard Shaw, breaks into the secure hospital the comatose Owen is being held in and swears vengeance against Dom, before breaking into Luke Hobbs' DSS office to extract profiles of Dom's crew. After revealing his identity, Shaw engages Hobbs in a fight, and escapes when he detonates a bomb that severely injures Hobbs. Dom later learns from his sister Mia that she is pregnant again and convinces her to tell Brian. However, a bomb, disguised in a package sent from Tokyo, explodes and destroys the Toretto house just seconds after Han, a member of their team, is killed by Shaw in Tokyo. Dom later visits Hobbs in a hospital, where he learns that Shaw is a rogue special forces assassin seeking to avenge his brother. Dom then travels to Tokyo to claim Han's body, where he meets and races Sean Boswell, a friend of Han's, who gives him personal items found at Han's crash site.
In the Eastern European country of Sokovia, the Avengers – Tony Stark, Steve Rogers, Thor, Bruce Banner (Hulk), Natasha Romanoff, and Clint Barton – raid a Hydra outpost led by Baron Wolfgang von Strucker, who has been experimenting on humans using the scepter previously wielded by Loki. They encounter two of Strucker's experiments – twins Pietro, who has superhuman speed, and Wanda Maximoff, who can manipulate minds and project energy – and apprehend Strucker, while Stark retrieves Loki's scepter.
Tony Stark recalls a New Years Eve party in 1999 where he meets scientist Maya Hansen, the inventor of Extremis, an experimental regenerative treatment intended to allow recovery from crippling injuries. Disabled scientist Aldrich Killian offers them a place in his company Advanced Idea Mechanics, but Stark rejects the offer, humiliating Killian.
Steve Rogers est désormais à la tête des Avengers, dont la mission est de protéger l'humanité. À la suite d'une de leurs interventions qui a causé d'importants dégâts collatéraux, le gouvernement décide de mettre en place un organisme de commandement et de supervision. Cette nouvelle donne provoque une scission au sein de l'équipe : Steve Rogers reste attaché à sa liberté de s'engager sans ingérence gouvernementale, tandis que d'autres se rangent derrière Tony Stark, qui contre toute attente, décide de se soumettre au gouvernement...
In 1961, the Ark, a Cybertronian spacecraft carrying an invention capable of ending the war between the Autobots and Decepticons, lands on the far side of the Earth's Moon. The crash is detected on Earth by NASA, and President John F. Kennedy authorizes a mission to put a man on the Moon as a cover for investigating the craft. In 1969, the crew of Apollo 11 lands on the Moon to explore the craft.
Gandalf leads Aragorn, Legolas, Gimli, and King Théoden to Isengard where they reunite with Merry and Pippin, who helped the Ents destroy Saruman’s forces. With Saruman himself defeated, Gandalf retrieves Saruman’s palantír which is viewed by a curious Pippin, allowing Sauron to attack the Hobbit’s mind. Gandalf deduces Sauron will attack Gondor’s capital Minas Tirith, riding there with Pippin. They meet Lord Denethor, steward of Gondor, and Boromir’s father. Pippin declares his service to Denethor after Boromir died protecting him.
In Istanbul the MI6 agents James Bond and Eve chase a mercenary, Patrice, who has stolen a computer hard drive containing details of undercover agents placed in terrorist organisations by NATO states. Patrice wounds Bond in the shoulder and, as the two men fight atop a train, M, the head of MI6, orders Eve to fire a distant shot with a rifle at Patrice; Eve misses and inadvertently shoots Bond, allowing Patrice to escape. Bond falls into a river and goes missing, presumed to be dead.
Sixty-five million years ago, the alien race known as the "Creators" invade Earth, wiping out most of life on the planet including the dinosaurs with the "Seeds", and cyber-form thousands of planets, including Cybertron. In the present, Darcy Tirrel discovered frozen dinosaur corpses in the Arctic.
Eight years after Harvey Dent's (Aaron Eckhart) death, the Dent Act grants the Gotham City Police Department powers which nearly eradicate organized crime. Feeling guilty for covering up Dent's crimes, Police Commissioner James Gordon (Gary Oldman) writes a resignation speech confessing the truth but decides not to use it. Batman has disappeared, and Bruce Wayne (Christian Bale) has become a recluse. Cat burglar Selina Kyle (Anne Hathaway) obtains Bruce's fingerprints from his home, kidnaps a congressman, then disappears. Selina hands Bruce's fingerprints to Phillip Stryver (Burn Gorman), an assistant to Bruce's business rival John Daggett (Ben Mendelsohn), in hope of having her criminal record erased. Stryver double-crosses Selina, but she uses the congressman's stolen phone to alert the police to their location. Gordon and the police arrive to find the congressman, and then pursue Stryver's men into the sewers while Selina flees. A masked militant named Bane (Tom Hardy) captures Gordon. Gordon escapes and is found by John Blake (Joseph Gordon-Levitt), a once-orphaned patrol officer who has deduced Batman's true identity from their similar backgrounds. Gordon promotes Blake to detective, with Blake reporting directly to him.