A recent Playstation Blog post stated exactly what to expect from Uncharted 4’s multiplayer mode.
All future maps and modes will be included with Uncharted 4 at no additional cost, and all vanity and gameplay in-game store items will be unlockable through gameplay.
There is no chance of the player-base being fragmented.
This also means that while the game will feature micro-transactions – it will only be for cosmetic items and you can unlock all of these through gameplay.
For an even bigger breakdown of what to expect from Uncharted 4’s multiplayer, you can check out the full blog post here.
Uncharted 4 will release on 10 May 2016.
Below is the road-map of where exactly developers Naughty Dog hope to see the multiplayer mode heading: