Great white shark superhero adorned in elaborate ornate armor, standing heroically in the vibrant city of Atlantis, cinematic movie poster style. In the background, a bustling underwater cityscape with swirling water and schools of colorful fish, all set against the warm hues of a dawn sky. The scene is rendered in vivid anime and manga graphics, enhanced by bright colors and high-detail offset printing. The poster, designed in 8K, HD, CMYK, captures a joyful yet epic atmosphere with dynamic cinematic lighting, inviting viewers into this fantastical underwater world.