Marvel (#Blue-Di) Back to listing Description Blue Diamond is a fictional character, a superhero in comic-books published by Marvel Comics, debuting under the company's 1940s forerunner, Timely Comics.An unrelated supervillain called the Blue Diamond appears as an antagonist in Timely's The Human Torch #11 (Spring 1943). Name Blue Diamond Super Name Blue Diamond Code Blue-Diamond Are you sure you want to %action_name%?