Yes, Batman did kill in The Dark Knight Returns comics in some instances, but it was within a specific context and for particular reasons related to the storyline.
In 'The Dark Knight Returns DC Comics Graphic Novels', Batman is the most prominent. But we also can't forget about the villains like Two - Face. His duality and his criminal activities are part of the complex web of the story. Additionally, there are minor characters like the newscasters who help set the tone of the city and show how the public reacts to Batman's return.
One of the main themes is the aging and return of Batman. It shows his struggle to reclaim his city from the chaos that has ensued. Another theme is the moral ambiguity, as Batman's actions often walk a fine line between justice and vigilantism.
In most cases, it is legal to read or watch fanfiction as long as it is not being sold for profit without permission from the original copyright holders. Fanfiction is often considered a form of transformative work, which is protected under fair use in some circumstances.
It's a masterpiece. The graphic novel 'The Dark Knight Returns' is a game - changer. The art style is gritty and detailed, perfectly setting the mood for the dark and complex story. It shows an older Batman coming out of retirement, facing new challenges in a changed Gotham. The narrative is intense and full of moral dilemmas.
The main characters are Batman, of course. Also, the Joker is a major character. Robin is there as well. And there are some police officers who play important roles in the story as they interact with Batman, either trying to stop him or reluctantly working with him.