https://wccftech.com/resident-evil-2-remake-new-achievement-image-hints-at-big-future-additions/

The recently added new achievement for Resident Evil 2 Remake may be hinting at something much bigger than a simple easter egg to better connect the game with Resident Evil 3 Remake.

As spotted by RelyOnHorror, the Xbox One achievement comes with a full-screen wallpaper that features Jill Valentine and Robert Kendo, the owner of the Kendo Gun Shop who appears in Leon's campaign. The image doesn't match any Resident Evil 2 Remake cutscene, so it likely represents a new one that will be added to the game down the line.