Invincible co-creator, Ryan Ottley, wants his titular superhero to face off against (arguably) the strongest superhero in DC Comics, Superman himself. Ever since the first days of comic books, fans have asked which heroes from different companies and brands would win in a fight, and the development of the internet has only furthered these discussions. Well, it’s not just the fans, as the original creators also get in on the action to test if their heroes are the strongest.