'Invincible' Season 4 Premiere Recap: Mark Grayson Officially Goes Too Far in an Explosive 3-Parter

Invincible Season 4 returns with an explosive three-part premiere, as Mark Grayson faces intense battles and family tensions.

Invincible Recap: What to Remember Before Season 4

Spoilers follow for the first three seasons of Prime Video’s Invincible. Season 4 debuts on March 18.