“Spider-Man Miles Morales” 5 Hours Long, $40 & NOT PS5 EXCLUSIVE?

There are MANY unanswered questions still aorund “Spider-Man Miles Morales” revealed at the Playstation 5 event. Some of these questions could mean “Spider-Man Miles Morales gameplay is as little as 5 Hours Long could cost as much as $40 & perhaps it is NOT EVEN PS5 EXCLUSIVE? is there a PS4 port of “Spider-Man Miles Morales” after all?