Issue: #18
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? Invincible is enlisted to accompany the first manned space flight to Mars. What secrets could the...
First appearances: Rus Livingston, Isotope, Shapesmith
Creators: Robert Kirkman, Rus Wooton, Ryan Ottley, Bill Crabtree
Characters: Invincible, Mauler Twins, Titan, Atom Eve, Amber Bennett, Cecil Stedman, Angstrom Levy, William Clockwell, Rus Livingston, Isotope, Shapesmith, Machine Head