A sunny, cheerful, cinematic photorealistic shot on a tropical beach with palm trees and a turquoise ocean in the background. In the center, Captain America is wearing a funny hula skirt and swim trunks, smiling brightly while carrying a small, joyful Groot on his shoulder. Nearby, other famous Marvel characters are relaxing in colorful swimwear and sunglasses. Across the top of the image, a large, vibrant beach banner reads "Summer 2026" in a fun, bold tropical font. Bright summer sunlight, joyful holiday atmosphere, 8k resolution, highly detailed. See more