As there are already existing Lego Harry Potter games, Lego will almost certainly not create a game just about Ron.
Lego Indiana Jones was after the Lego Harry Potter game.
yes there will be a lego city video game
Lego Creator - video game - happened in 1998.
Lego Racers - video game - happened in 1999.
Lego the hobbit the video game
Lego Rock Raiders - video game - happened in 1999.
Lego Castle no longer exists, so there probably won't be a Lego Castle Video Game.
yes there will be a batman 2 and a Lego marvel video game after Lego lord of the rings
Lego Creator - video game - was created on 1998-10-26.
After Harry Potter, the next Lego game was Lego Pirates of the Caribbean.
Lego Rock Raiders - video game - was created on 1999-11-15.