Spider-Man Remastered has been listed for standalone purchase on the PlayStation Store | VGC
How To Get Spider-Man PS4 Code For FREE! - Working Spider-Man Codes For Free 2018 - YouTube
I know it's a bit late but if any new comers would like the 3 pre-order suits (can't remember what they are) here is a free code :) enjoy! : r/SpidermanPS4