A vibrant and dynamic t- shirt design featuring comic book- style drawing depicting Captain America and Iron Man engaged in an intense battle. Dynamic poses, dramatic lighting, high contrast, explosive action, superhero rivalry, Marvel Comics, detailed backgrounds, futuristic technology, iconic characters, vibrant colors, high detail, digital illustration, dynamic composition, powerful stance, motion lines, energetic, high- resolution, print- ready, commercial use. <lora:Nerdrawing_geek_drawing_style:1>