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Loki opens the portal above in New York City, unleashing the Chitauri army. The Avengers reunite in the streets for an epic showdown. While the "Big Three" (Iron Man, Cap, and Thor) lead the charge, the Hulk famously "smashes" Loki, and Black Widow manages to close the portal using Loki’s own scepter. The Resolution
It sounds like you're looking for the plot of the 2012 blockbuster . Here is the story breakdown: The Threat Loki opens the portal above in New York
The super-soldier out of time.