Iron Man 3

He throws the reactor into the ocean. He walks away from the suits.

You can build your own armor using templates designed for (a paper design technique) . Iron Man 3

The film also deepened the supporting cast's roles. Pepper Potts, played by Gwyneth Paltrow, moved beyond the "damsel in distress" trope, eventually gaining powers of her own to save Tony in the final act. Meanwhile, the introduction of Harley Keener provided a refreshing dynamic, forcing Tony to act as a mentor and proving that his heroism wasn't dependent on his bank account. He throws the reactor into the ocean

No discussion of Iron Man 3 is complete without addressing the elephant in the room: The Mandarin. The film also deepened the supporting cast's roles

Here’s a concise feature overview of Iron Man 3 (2013):

One of the film’s most celebrated elements is the "House Party Protocol"—the climactic scene where all 35 Iron Legion suits fly to Tony’s aid. It’s a visual feast. But look closer.

Directed by Shane Black (the mastermind behind Kiss Kiss Bang Bang ), did something unprecedented for a superhero blockbuster. It broke the toys. It deconstructed the armor. And, in a twist that still sparks debate a decade later, it revealed that the “Mandarin”—Iron Man’s arch-nemesis—was a drunken British actor named Trevor.