There are 28 total suits to unlock in Spider-Man for PS4 as of launch day, some of which are very well hidden. Below you'll find a list, images, and video
Spider-Man PS4 Suits - Marvel's Spider-Man Guide - IGN
IGN - Does whatever a spider can. Check out the UE
Marvel's Spider-Man PS4 Review - IGN
Marvel's Spider-Man Walkthrough: Picking Up the Trail (Part 28
Essential Spider-Man Miles Morales Tips and Tricks - Marvel's
Marvel's Spider-Man 2 New Game Plus Update Has a Release Date
Marvel's Spider-Man 2 Guide - IGN
Marvel's Spider-Man 2 Is Now Available - IGN
All 78 Spider-Man 2 suits and how to unlock them