DOOM 3 has been updated to Version 1.03. Check out notes on this update below.
We’re deploying a minor patch for DOOM 3 re-releases for all platforms today. This update has added the Slayers Club sign in option. By signing into your Slayers Club account through DOOM 3, you’ll receive the Red DOOM Marine skin and DOOM 3 nameplate for DOOM Eternal when the game launches!