The avengers are coming to the avengers universe

Create an abstract, eye-catching book cover for "Heroes in Action: Human Development Through Comic Book Characters." The cover should evoke a sense of action and human growth through abstract and artistic elements. Use a vibrant, contrasting color palette, including blue, red, green, gold, purple, and white. The style should be abstract, with geometric shapes, lines of energy, sparkles and lights. The background should be dynamic, using color gradients, lights and shadows to create depth and movement. The title "Heroes in Action" must be in a large, striking and modern font, centered on the cover. The subtitle "Human Development Through Comic Characters" must be just below the main title, in a complementary and legible font. Include the author's name at the bottom of the cover. Use abstract symbols that represent the characters' powers and abilities, such as energy lines or telepathic patterns from Marvel comics.

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (ugly face:0.8),cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, bad anatomy, DeepNegative, facing away, tilted head, {Multiple people}, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms,extra legs, malformed limbs, fused fingers, too many fingers, long neck, cross-eyed,mutated hands, polar lowres, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, extra arms, extra leg, extra foot, ((repeating hair))