Invincible and Atom Eve are dating at last, but Mark has just recently moved back in with his mom and half brother. To make matters worse, Mark finds himself staring down the deadliest bunch of villains he's faced thus far - including The Astounding Wolf-Man!

Allen the Alien returns to Earth as directed by the Coalition of Planets - he's come to gather information from Mark about his father - the Viltrumite Traitor. Meanwhile, the Viltrumites have come to Earth to check up on Mark's progress as the reluctant Viltrumite Agent of Earth.