Diablo 3 took off to a rocky start, but since it's console adaptation, and the changes that went into the game since the 2.0 patch, the game is now enjoyed by a large audience worldwide. The first expansion pack, Reaper of Souls, was quite a success, and it has helped it to propel the game forwards in terms of gameplay and content quality.
However, many Diablo 3 players have now made their way through the content available in the Reaper of Souls expansion, and that has left a lot of players without much left to do in the game.
Good news if you happen to fall into that crowd, because Blizzard have been looking into the possibilities of releasing another expansion pack for Diablo 3 in the near future. Whilst it hasn't been confirmed yet, Blizzard are taking player's opinions and using this to gauge whether a second expansion pack is needed for the latest Diablo game.
The development studio working on Diablo 3 have stated that they are "still evaluating" future possibilities for the franchise, but after Diablo's recent success, it would make sense that Blizzard have at least something in plan in terms of new gameplay content.
We'll have to wait to see whether Blizzard acts on this. Hopefully we will see another expansion for Diablo 3 fairly soon, but if not, there's always the possibility of a completely new title for the franchise, although this would admittedly take a lot longer to reach our consoles.