Great white shark superhero adorned in elaborate, ornate armor, towering majestically in the vibrant cityscape of Atlantis, designed in the style of a cinematic movie poster. The background features a mesmerizing underwater scene with dynamic schools of fish and shimmering waves. It is dawn, and the sunlight casts a magical glow, enhancing the anime and manga-inspired graphics. The composition bursts with bright colors and high details, ideal for printing in 8K HD with CMYK precision. The atmosphere is joyful and uplifting, captured with cinematic lighting and presented in a 9:16 aspect ratio, evoking a sense of adventure and heroism.