Non-fiction books can be considered literature because they are written works that convey information, ideas, and perspectives in a creative and artistic way. While they may not be works of fiction, non-fiction books still require skillful writing, research, and storytelling to engage readers and provoke thought. Many non-fiction books are highly regarded for their literary merit and impact on society, making them an important part of the literary landscape. **

Yes, Superman does return in Batman v Superman. After being presumed dead at the end of Man of Steel, Superman is revealed to be alive and makes a dramatic return in Batman v Superman. His return has a significant impact on the events of the film and the conflict between Batman and Superman. **

Superman is a fictional character created by DC Comics, and in the comic book world, he is often portrayed as nearly invincible. However, there have been storylines where Superman has died or come close to death. In the comic book series "The Death of Superman," Superman is killed in a battle with the villain Doomsday, only to be later resurrected. So, while Superman can die in certain storylines, he is typically depicted as an immortal superhero. **

Superman is a fictional character created by Jerry Siegel and Joe Shuster in 1938. He first appeared in Action Comics #1 and has since become a cultural icon. While Superman is not real in the literal sense, he has had a significant impact on popular culture and has inspired many people with his values of truth, justice, and compassion. Although he may not be a real person, the character of Superman continues to resonate with audiences around the world. **

In the movie "Batman vs Superman," Batman is initially portrayed as the antagonist, as he sees Superman as a threat to humanity and seeks to take him down. However, as the story unfolds, it becomes clear that both characters have their own motivations and struggles, and neither can be strictly labeled as the villain. The film explores the complexities of their relationship and ultimately presents them as two heroes with different approaches to justice. **

Superman has superhuman strength, speed, and the ability to fly. He also possesses x-ray vision, heat vision, and freeze breath. Additionally, Superman has invulnerability, meaning he is nearly indestructible and immune to most physical attacks. **

Superman is a fictional character, so his status is determined by the storyline created by the writers and creators of the character. In various comic book storylines, Superman has died and been resurrected multiple times. As of my last update, Superman may or may not be dead depending on the specific comic book series or storyline being followed. **

Zarathustra, the central figure in Friedrich Nietzsche's philosophical novel "Thus Spoke Zarathustra," is often considered to be a representation of Nietzsche's concept of the "superman" or "overman." The superman is a being who has transcended conventional morality and societal norms, and has the ability to create their own values and live authentically. Zarathustra embodies these qualities as he seeks to guide humanity towards a higher state of being and consciousness. Therefore, it can be argued that Zarathustra is indeed a superman in the context of Nietzsche's philosophy. **