Great white shark superhero donning elaborate ornate armor, standing majestically in the vibrant city of Atlantis. Cinematic movie poster style, showcasing an underwater cityscape with schools of fish swimming through crystal clear waters. The scene is set at dawn, with the sun's rays piercing the water, casting a magical glow. Designed with anime and manga-inspired graphics, vivid colors, and high detail. The poster features 8K HD quality with CMYK printing, exuding a joyful and heroic vibe. Cinematic lighting highlights the powerful figure of the shark, creating an epic, dynamic image. The aspect ratio is 9:16, showcasing a vertical, eye-catching composition.