Chegaram as férias de verão para o Mark e os seus amigos, mas os supervilões não tiram férias. Mark é forçado a enfrentar as consequências da vida dupla do Homem-Omni.

The Grayson household is upended when Mark returns to Earth with surprising new responsibilities. The Guardians of the Globe face dangers both at home and away.

As Mark attempts to salvage his personal life, a new villain arrives, presenting Invincible with his greatest challenge yet. Donald grapples with his past.