Sony has officially confirmed that is not a free upgrade for players who already own the original PS4 version of the game. It is treated as a separate release with enhanced graphics and performance features. Key Remastered Features

: This title has been included in the PlayStation Plus Game Catalog, allowing subscribers to download and play the full version as part of their monthly fee.

: Includes additional suits like the Spider-Armor MK I and Iron Spider Armor.

The Remastered version includes several technical and content improvements over the 2018 original:

: If you purchase the Ultimate Edition of the sequel on PS5, it includes a digital voucher for Marvel's Spider-Man Remastered at no extra charge.

: While not guaranteed, the Epic Games Store frequently offers high-profile games for free. It is worth keeping an eye on Eneba or similar gaming news sites for announcements. Important Upgrade Note

: Peter Parker's face was famously updated to better align with voice actor Yuri Lowenthal's performance.

For a look at the open-world mechanics and visual upgrades, you can watch this free-roam gameplay footage: