The Iron Man 4: New Chapter teaser trailer opens with an emotionally charged montage of the legacy Tony Stark (Robert Downey Jr.) left behind. We see flashes of iconic moments from previous films, including the final battle in Avengers: Endgame, with his heroic sacrifice still resonating deeply. The voiceover begins, and it’s unmistakably that of Tony Stark: “Part of the journey is the end… but sometimes, the end is just the beginning.”

As the screen fades to black, the scene shifts to present-day New York. A new figure is working in Tony’s lab—Harley Keener (Ty Simpkins), the boy from Iron Man 3, now grown up and highly skilled in technology, has taken up Stark’s mantle of innovation. Harley is shown crafting a new suit of armor, inspired by Tony’s designs, but with his own modern twist. His journey is one of legacy, responsibility, and dealing with the overwhelming pressure of living up to the Iron Man name.

The trailer cuts to a boardroom scene, where Pepper Potts (Gwyneth Paltrow) and Happy Hogan (Jon Favreau) are discussing the emergence of new tech threats, led by a shadowy corporation called “The Infinite Arc,” which has been experimenting with unstable forms of Stark’s technology. Pepper expresses concern over the potential for this tech to fall into the wrong hands. There are quick cuts to global chaos: drones attacking cities, advanced AI systems malfunctioning, and mysterious armored figures terrorizing civilians.

The villain is soon revealed—Ezekiel Stane (played by a younger actor, possibly Austin Butler), son of the late Obadiah Stane, has perfected his father’s designs and is using advanced weapons and suits to seek revenge against the Stark legacy. He’s cold, calculating, and has developed his own cutting-edge version of the Iron Man suit, superior in strength and power.

The trailer then ramps up the action: Harley dons his new Iron Man suit, sleek and more futuristic, with enhanced AI and weaponry. We see high-speed aerial combat, intense firefights, and Harley’s raw, youthful energy as he tries to find his place in the Iron Man legacy.

In the final moments, Harley lands in front of a memorial for Tony Stark, his helmet retracting, and he whispers, “I hope I’m making you proud.” The trailer ends with the title Iron Man 4: New Chapter flashing across the screen, followed by the tagline: “The legacy continues.”

The teaser sets up a powerful mix of emotion, action, and the beginning of a new era for Iron Man, with the stakes as high as ever.