Marvel: Alpha Superhero System

Harry was an average person who lived a horrible life. He didn't have any family, friends, and his life could only be described as sad. Unable to bear it anymore, Harry decided to commit suicide, but just before he died, he received the Alpha Superhero System and was transmigrated to the Marvel universe! The system grants him the opportunity to get any ability or skill from any superhero he kills. With this new found power, Harry decides to live a new life. One of domination!