Marvel Universe: the upgrade technique

Saul, a man in his early 30s transmigrates to the another universe finding himself 10 years younger and in a small studio apparment in new york. Here he discovers an ability to upgrade objects with surprising results and upon discovering the marvel universe begins to fulfill a dream of becoming a superhero like those in the comic books... Author here. this is pretty much standard wish fulfilment guys, first novel/ fan-fic so don't expect much not exactly a writer, so let's just have fun! Copyright disclaimer: I do not own anything in the Marvel universe. (not sure if required but hey let's keep me alive)