So above it simply features Jake in the middle east on a "mercenary" job after his blood saves the world and all that crap. Sadly, I only see three bad possibilities to this.
1. It sets the stage for Resident Evil 7 and doesn't look like a thing that the fans want. Just more action this time in the middle east.
2. It sets the stage for DLC featuring Wesker Jr. and can go into his whole bit that wasn't revealed in the main game. Again, I don't think anyone wants DLC to this game basing it off most reviews. Plus, if it does go into Jake's early history I can already hear the complaints about how this should have been in the campaign to begin with.
3. It's just there acting as the "secret ending". No meaning besides Jake doing what he's always been doing just for "good" this time. Not very interesting.