James Wilson, an ally of the Hulk and the nephew of the Falcon, is among the foremost African-American superheroes and "the protector of Harlem." Wilson, being HIV positive, often had to deal with harassment and stereotyping from homophobes and bigots. Though it was never explained how he became HIV positive, he was heterosexual and it was hinted that he got it through a blood transfusion.
Soon after his AIDS diagnosis, Wilson asks the Hulk for a blood transfusion, as the Hulk's blood is known to be resistant to HIV. Hulk does not want to create another Hulk-like monster, and denies Wilson the transfusion. Before he dies, Wilson admits that it would not have been a good idea. Jim finds his calling by founding a Los Angeles clinic that cares for patients dying from AIDS. After he dies, Bruce Banner (The Hulk) donates enough money to keep Jim's clinic running for the next decade.