That's an absolutely stacked voice cast, but there'll be many more characters to meet in season 4. Among that number are ...

Invincible's time in his blue suit saw a more violent turn for Mark Grayson, but there were plenty of villains ready to meet ...

While we wait, let's recap the greatness and the goodness with a full episode ranking, starting with a list of every episode ...

So, for all that and more, head to the below for the lowdown on the return of Mark Grayson. Invincible season ... In one moment, Oliver kills the Mauler Twins, showcasing his extreme potential.

“Their burial together suggest (the twins) died at the same time or very nearly together,” researchers said. “This may suggest that they were full term but did not survive the birth process ...

Mark’s little brother Oliver straight-up murders the Mauler Twins, but to be honest, his rationale — those two were never gonna stop threatening innocent lives otherwise — holds up.