Free Spider-Man PS4 theme (scroll down and claim reward) : r/PS4
How to get a Spider-Man Miles Morales redeem code on PS4 or PS5 - Quora
There's a Free Marvel's Spider-Man PS4 Theme Up for Grabs Right Now | Push Square
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