The Avengers

Loki makes contact with the Other, the commander of the Chitauri. In exchange for retrieving the powerful Tesseract, he is promised an army to help him conquer Earth, revealing his ambitions to dominate the planet.

Years before Loki's arrival, Howard Stark discovers the Tesseract while searching for Captain America on the ocean floor. This immense energy source will later become the focal point of Loki's plans.

During an experiment involving the Tesseract at a S.H.I.E.L.D. facility, the object activates and opens a portal. Loki arrives on Earth, using his scepter to enslave Dr. Erik Selvig and other agents, proclaiming his plan to subjugate humanity.

In a desperate attempt to contain Loki, Nick Fury activates the facility's self-destruct sequence. Although the facility is destroyed, Selvig and Barton manage to relay vital information to Loki before escaping.

Reacting to the threat posed by Loki and the Chitauri, Nick Fury reactivates the Avengers Initiative. Agents are sent out to recruit key individuals with unique abilities essential for facing the looming danger.

Agent Natasha Romanoff travels to Calcutta to find Dr. Bruce Banner. She seeks his expertise to track the Tesseract through its gamma radiation and reveals the transformation into the Hulk resulting from his experiments.

Believing he is the rightful heir of Asgard, Loki confronts the Avengers with his claim to Earth. Meanwhile, he manipulates events to ensure that his plans to retrieve the Tesseract proceed unhindered.

As the Avengers gather aboard the Heli-carrier, tensions escalate following the revelation of Loki's orchestration of events. A confrontation ensues, leading to a battle with Loki's possessed agents and the Hulk finally emerging.

To legitimize his rule over Earth, Loki invokes the Tesseract and the iridium device to open a portal for the Chitauri army. The Avengers prepare to defend New York City against the overwhelming alien forces.

The Avengers unite in a fierce battle against the Chitauri invading New York. Each member contributes uniquely, with Thor, Rogers, and Stark coordinating to protect civilians while battling the alien force.

With Selvig free from Loki's mind control, he reveals that the Avengers can use his scepter to shut the portal. Meanwhile, stakes rise as Fury's superior proposes launching a nuclear missile to end the threat.

In a daring act, Tony Stark intercepts a nuclear missile just before it reaches New York. He guides it through the portal, targeting the Chitauri fleet and successfully destroying their commanding ship.

After the battle concludes, the surviving Avengers regroup and reflect on their accomplishments and losses. Loki is captured, and Thor returns both him and the Tesseract to Asgard while the world acknowledges the heroes.

In the first post-credits scene, the Other discusses humanity's resilience, hinting at future conflicts. The second scene shows the Avengers taking a much-needed break at a Shawarma restaurant, bonding over their recent experiences.