After two years without an update, “Invincible” is back … almost. The series is set to return for its second season on Amazon Prime Video in late 2023, as was revealed in a teaser featuring Mark Grayson (Steven Yeun) and Allen the Alien (Seth Rogen) discussing the upcoming episodes.

“What have you been up to? It’s been awhile,” Allen says to Mark as they dine at Burger Mart. “I think everyone agrees it’s been, like, a little ridiculous how long it’s been.”

“I’ve been busy writing, designing, storyboarding, voice acting, key posing, in-betweening, cleaning up, color slapping, comping the whole thing, and all that for, you know, roughly thousands of shots,” Mark replies. “So, it’s kind of a lot.”

The animated superhero series follows 17-year-old Mark, who’s just like every other guy his age — except that his father is the most powerful superhero on the planet,...