A formidable great white shark superhero clad in elaborate, ornate armor stands majestically in the mesmerizing cityscape of Atlantis. The scene is set against a vibrant underwater backdrop, teeming with colorful fish and flowing water currents, under the soft glow of dawn light. The composition embodies the dynamic energy of anime and manga art, with vivid, bright colors and intricate details accentuated by cinematic lighting. The poster, designed for offset printing, boasts high-definition, 8K resolution with a CMYK palette. This portrayal captures a sense of joy and heroic presence, encapsulated in a striking, vertical 9:16 layout, reminiscent of a breathtaking cinematic movie poster.