Mark Grayson is about to face his biggest fight yet. The newly released trailer for ‘Invincible’ Season Four warns, “The Viltrumite War Is Coming,” and it backs that promise with brutal new footage and fresh key art. The hit adult animated superhero series now has a return date too. Season Four premieres March 18, 2026, and the story picks up with a changed Mark trying to hold his world together as the next catastrophe closes in.
‘Invincible’ season 4 trailer and release date details
Prime Video has unveiled the trailer and key art and set the premiere for March 18, 2026, as entertainment outlets reported on the announcement. The streamer said Season Four will debut exclusively on Prime Video in more than 240 countries and territories. Skybound Entertainment produces the series in association with Amazon MGM Studios. The teaser spotlights the next major threat and leans on the warning line, “The Viltrumite War Is Coming.”The series keeps posting major viewership results. Prime Video said Season Three became the most-watched animation season of all time on the service. The company also called it the platform’s biggest returning season across all adult animation originals.Awards attention has followed the ratings. Season Three earned a Critics’ Choice Award nomination for Best Animated Series in 2025. The show also scored back-to-back Primetime Emmy Award nominations in 2024 and 2025. Rotten Tomatoes gave the first two seasons “Certified Fresh” status. The series also won the Golden Tomato Award for Best Animated Series in 2023. Season Three later reached a 100 percent rating on Rotten Tomatoes.
Viltrumite War story and returning voice cast
The official synopsis says Season Four opens in the aftermath of massive destruction as society tries to rebuild. Mark Grayson is no longer the same, and he pushes himself to keep his family and planet safe. His attempt to hold the line draws him toward a looming enemy with the power to reshape humanity’s future.Based on the award-winning comic series created by Robert Kirkman and Cory Walker, with contributions from Ryan Ottley, ‘Invincible’ brings back a deep voice cast. Returning stars include Steven Yeun, Sandra Oh, and J.K. Simmons. The ensemble also includes Gillian Jacobs, Seth Rogen, Walton Goggins, Lee Pace, Jeffrey Dean Morgan, Zazie Beetz, Mark Hamill, and Danai Gurira.
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