Fan Casting X

The man known was X was once a child (whose name was lost to history) experimented on with mutated DNA and studied until he seemingly died in a fire. He awoke later with amnesia and grew up to be a violent teenager with enhanced strength and intelligence. After being murdered by a mobster (for having an affair with the mobster's wife), the man re-emerges as a serial killer named X who decides to target criminals and corrupt politicians to further his own mysterious agenda