Create a black and white coloring book page suitable for kids aged 6 to 7. Design an enjoyable "Superheroes" scene set in a cityscape, featuring superheroes and villains with simple and easy-to-color elements for children to enjoy coloring. Style: Black and white for self-coloring Mood: Exciting and imaginative Ensure that the page is both exciting and imaginative, while keeping it suitable for young children. Include simple and easy-to-color elements, allowing young superheroes to have fun and express their creativity while coloring.