Marvel's True Demon

He has trained for his whole life. It has already been 16 years since he was born, and he finally finished his training. His only relative left, his grandfather, died out of sickness. Now Mark Sutherland is left by himself to take on the world. Teenagers swinging using webs, billionaires flying in their shiny armor... Mark will make many friends and enemies through his adventures. But most importanly, will Mark discover the mysterious history of his family?