I'm sure it will be interesting--Stallone actually can write--but who knows. I think he is getting a little old for this though. Last time I saw him he looked like he could star in the Incredible Melting Man remake.
"Learn from me, if not by my precepts, at least by my example, how dangerous is the acquirement of knowledge and how much happier that man is who believes his native town to be the world, than he who aspires to become greater than his nature will allow." Frankenstein