The ultimate villain in Invincible is finally coming to the series, and season 4 of the hit Prime Video series has cast the perfect voice.

Invincible season 4 follows the story of Mark Grayson, a seemingly ordinary teenager who discovers he has inherited superhuman abilities from his father, Nolan Grayson, also known as Omni-Man.

A new teaser confirmed Prime Video's Steven Yeun and J.K. Simmons-starring Invincible Season 4 for March 2026 and Lee Pace as Thragg.

Fans are buzzing online after news broke that Lee Pace has joined Invincible Season 4 as the powerful Viltrumite leader, Thragg. The announcement, revealed during a major industry event, quickly spread across social media as viewers shared their excitement and praised the casting choice.

The news follows Invincible ’s strong third season, which debuted in February 2025 and quickly secured an early Season 5 renewal that July at San Diego Comic-Con. It was also revealed that Matthew Rhys will voice an as-yet-undisclosed character in the upcoming season.

The Invincible Season 4 hype train has left the station, with its Burger Mart-inspired teaser trailer confirming a March 2026 release date.

Invincible creator Robert Kirkman revealed Season 4, Episode 4 will be an entirely original story for the show, featuring a certain Evil Dead star.