‘Invincible’ Season 4 Release Date Confirmed: Amazon Prime Video Introduces New Villain Thragg for Mark Grayson

Invincible, one of Amazon Prime Video’s most successful adult-animated series since its 2021 premiere, is set to return for a highly anticipated fourth season on March 18, 2026. Known for its brutal action sequences and gripping storytelling, the series has consistently introduced new characters and powerful villains, keeping fans on the edge of their seats as Mark Grayson and the Guardians face ever-greater threats.

Adapted from Robert Kirkman’s Invincible comic book series, published by Image Comics between 2003 and 2018 with 144 issues, the show continues to follow Mark Grayson’s journey from teenager to hero. The official trailer, released on January 22, 2026, teases intense new storylines, including the reunion of Mark Grayson and his father, Omni-Man, as they confront a formidable new threat together. The trailer also confirms the Season 4 release date as March 18, 2026, on Amazon Prime Video, available in over 240 countries and territories.

Creator Robert Kirkman has revealed that Season 4 will bring a “more emotionally-driven brutality” to the series, ensuring that the violence serves the narrative and highlights Mark’s personal journey. Following the devastation caused by his previous battle with Conquest, Mark now faces another life-altering challenge, balancing his heroic responsibilities with the promise to protect his family.

The main villain for this season is Thragg, the Grand Regent of the Viltrum Empire, voiced by Lee Pace. Returning cast members include Steven Yeun as Mark Grayson, Sandra Oh as Debbie Grayson, J.K. Simmons as Omni-Man, Gillian Jacobs as Atom Eve, Seth Rogen as Allen the Alien, and Walton Goggins as Cecil Stedman, among others. With its mix of action, emotion, and universe-expanding storylines, Invincible Season 4 promises to continue the series’ tradition of high-stakes, edge-of-your-seat entertainment.