Issue: #20
Last valuation update: 2026-04-28
Mark Grayson is just like everyone else his age, except that his father is the most powerful superhero on the planet. And now he's begun to inherit his father's powers. It all sounds okay at first, but how do you follow in your father's footsteps when you know you will never live up to his standards? For nine years now (or however long it's been since issue #6 came out) readers have been wondering...
First appearances: Professor Varner, D.A. Sinclair
Creators: Robert Kirkman, Rus Wooton, Ryan Ottley, Bill Crabtree
Characters: Invincible, Mauler Twins, Professor Varner, Atom Eve, Amber Bennett, Rick Sheridan, D.A. Sinclair, Angstrom Levy, William Clockwell, Art, Deborah Grayson