#villain#, A formidable Mr. Sinister, depicted with an athletic, imposing physique clad in sleek, dark blue and black armor with sharp, angular lines and a polished, metallic sheen. His pale, angular face is framed by a high, flowing cape made of a rich, dark crimson fabric with a smooth, luxurious texture, contrasting with his vibrant red-diamond forehead emblem. Intricate metallic gauntlets and boots complete his structured, somewhat rigid form, emphasizing his sinister and calculating demeanor.