A majestic great white shark superhero adorned in intricate, ornate armor stands proudly in the vibrant, bustling city of Atlantis. This cinematic movie poster scene is set against a backdrop teeming with swirling water and colorful fish, depicting the ethereal beauty of dawn over the underwater metropolis. The composition embraces an anime and manga aesthetic, bursting with bright, vivid colors, and offset printing techniques that highlight the high detail and resolution of the artwork. The poster, presented in 8K HD and CMYK, exudes a joyful energy, illuminated by cinematic lighting that captures the essence of this underwater hero's grandeur and the mystical ambiance of Atlantis.