A vibrant comic book-inspired artwork featuring Marvel characters in a bright, bold color scheme. A dynamic shot captures Iron Man, Captain America, and Spider-Man standing back-to-back, shield at the ready, against a brilliant blue sky with wispy clouds. Lighting is warm and intense, casting dramatic shadows on their determined faces. Composition showcases the trio's unity and strength as they prepare to face an unseen threat. The bright tone evokes a sense of excitement and hope.
