INVINCIBLE COMPENDIUM HC 01 HC Image - GoodTo celebrate INVINCIBLE's landmark 20th anniversary, the first 48 issues of the greatest superhero comic in the universe are being collected into one massive hardcover edition exclusive to the direct market! Mark Grayson is just like most everyone else his age except for the fact that his father is Omni Man, the most powerful superhero on the planet. When Mark develops powers of his own, it's a dream come true. But living up to his father's legacy is