A mighty great white shark, transformed into a superhero, dons elaborate ornate armor, standing proudly amidst the ancient city of Atlantis. The scene is set like a cinematic movie poster, with vibrant anime and manga graphics. In the background, shimmering waters teem with colorful fish, illuminated by the soft hues of dawn. The atmosphere is bright and cheerful, captured in offset printing style with cinematic lighting. Every detail pops in high-definition, showcasing the shark's heroic form. The design is in 8K resolution, using a CMYK color palette, creating an energizing and immersive effect perfect for a poster.