The Walking Dead's 177-episode run succeeded by departing from its source material in ways that most comic book adaptations cannot risk. The show, which ran for 11 seasons, invented original characters like Daryl Dixon and altered the fates of existing ones, changes that fueled spin-offs and fan favorites.
Carol Peletier survived all 11 seasons in the TV show, though she dies early in the comics. Rick Grimes received a happy ending in The Ones Who Live rather than dying as a martyr. Negan and Maggie's story in Dead City diverged from their comic endings.
The Walking Dead managed these changes without the backlash that plagues Marvel and DC adaptations. Those franchises carry massive global fanbases that hold deep reverence for source material, making major changes controversial. Superman faced division after being rewritten with genocidal dictators as the title character's biological parents.
The Walking Dead, like The Boys and Invincible, lacked the widespread dedicated fanbase that protects mainstream superhero properties. That freedom allowed the show to make alterations that audiences embraced rather than rejected. The spin-offs now in development across seven shows owe their existence to the original series' willingness to reshape its comic book foundation.