Windows Central writes: “There’s also a (edit: large) chance it could be related to Indiana Jones and the Great Circle by Machine Games, which so far has only been announced for Xbox and PC. Microsoft doesn’t own the Indiana Jones IP naturally, and Disney might be keen to let PlayStation users know when to expect a version for their preferred platform.”
Source: N4G PC Rumor: Another 'big' Xbox game is heading to PS5, to be announced next week