"What If?" is a popular thought experiment that encourages people to explore hypothetical scenarios and their potential outcomes. It invites individuals to consider alternative realities, decisions, or events, prompting creative thinking and problem-solving. This concept can be applied in various fields, including science, philosophy, and storytelling. In literature and media, "What If?" scenarios often lead to intriguing narratives, such as alternate histories or character developments. For example, Marvel Comics has explored "What If?" stories that reimagine key moments in the lives of superheroes like Spider-Man or Captain America, showcasing how different choices could change their destinies.