Great white shark superhero adorned in elaborate ornate armor, standing heroically in the bustling underwater city of Atlantis, styled as a cinematic movie poster. Surrounding the scene are vibrant schools of fish and swirling water under the gentle glow of dawn light. The visual aesthetic draws from anime and manga with bright, vivid colors, captured in high detail and offset printing reminiscent of a classic poster. The lighting is cinematic, creating an uplifting and epic atmosphere in striking 8K and HD, with CMYK clarity.