Godly healer joins the Justice Team

Alexander Cartwright was a 20 year old billionaire he created the first full functional nuclear defense shield. He always had a want to protect others. He loved reading comics about superheroes. So when the worst day of his life when he gets a chance to be one he takes it. How could he possibly know that his heroic act made a God look favorable on him and decides to reincarnate him into his favorite hero world. My character have no relation to any nonfiction works and similarity are coincidences. All characters are based off semi original works and stories.