In Marvel as Superman Marvel Superman

After dying due to cancer at the age of 14 which was harvested by the government in an effort to study it and see if they could weaponize it. He is given another chance in Marvel to make his dream a reality to be the best Superman he can be.
To do that he needs to break any shackle that tries to bind him
Slow story development and newbie author

I do not own anything from DC, Marvel or anything from Invincible or any animes whatsoever