A majestic great white shark superhero clad in intricate, ornate armor stands proudly in the heart of the mythical city of Atlantis, towering amidst ancient, coral-clad skyscrapers. This cinematic movie poster bursts with anime and manga-inspired graphics, where vivid water and schools of vibrant fish swirl dynamically in the background. The scene is set at dawn, casting a golden glow and vibrant colors across the underwater metropolis, enhanced by dramatic, cinematic lighting. The artwork captures high detail in 8K HD, reminiscent of offset printing, with bright hues reflecting off the shark's armor, embodying an aura of happiness and valor.