psypop, 70s psychedelic style poster of a "The Avengers Assemble" psychedelic 1970s pop art poster, vibrant Avengers team posing amidst swirling action scenes and cosmic backgrounds, kaleidoscopic superhero elements, groovy team motifs, intricate costume and weapon designs, dream-like epic battle atmosphere, "The Avengers Assemble" appears on the poster with bold, heroic typography in red, blue, and gold hues, vivid dynamic colors, hypnotic heroic unity
