Invincible Season 4, the next installment in Prime Video's adult animated superhero series based on the eponymous comic book series by Robert Kirkman, Cory Walker and Ryan Ottley, is finally here.

Before the conflict begins in earnest, and sooner than you might expect, we’re re-introduced to Mark on Earth as he recovers from Conquest’s beatdown at the end of Season 3. The swarthy, one-armed ...