Ever since the first comic book superhero was adapted to film, Hollywood has had a strange relationship to the comics that has carried through the DC Universe and Marvel Cinematic Universe . Unlike adaptations of other written work, which aim to stick as closely to the source material as possible, comic book movies and television shows use the comics as little more than guidelines .
Superhero movies and shows may use elements of classic comics stories — like DC's Titans adapting Jason Todd's death and resurrection as Red Hood and Captain America: Civil War putting Marvel Studios' spin on the comics' crossover event — but they're rarely, if ever, adapted wholesale. At least, in live-action.
In fact, there have been adaptations that have been completely denounced by comics fans.