Riot has already unveiled the new skins that will come to League of Legends.
The creators of League of Legends have shown the new skins from the “Astronauts” series that will enter LoL. It is known that the skins will go to:
There are no splash arts yet, these may appear either in a while or only in a few hours.
At this point, it is difficult to say more, while we wait for the splash art.