Having a father who is the most powerful superhero on the planet makes life interesting for Mark Grayson, but the high schooler's life really starts to heat up

Back in print! The Guardians of the Globe are dead. The super-hero community is a buzz with the who, what, when, where, why and how. Unbeknownst to him, Invinci

"Created by Robert Kirkman and Cory Walker."

The Guardians of the Globe are dead. The super-hero community is a buzz with the who, what, when, where, why and how. Unbeknownst to him, Invincible is at the c