A majestic great white shark superhero adorned with intricately ornate armor stands proudly in the bustling city of Atlantis, depicted in an epic cinematic movie poster style. The underwater metropolis is alive with colorful marine life and glistening water, set against the soft hues of dawn. The scene captures the essence of anime and manga graphics with vivid, bright colors and high detail. The poster showcases cinematic lighting, emanating a sense of joy and heroism. The artwork is designed for an 8K HD, CMYK offset print, exuding vibrant energy and intricate visual storytelling.