https://www.gamewatcher.com/news/daedalic-entertainment-has-another-lord-of-the-rings-game-in-development
Personally, I thought a game about Gollum was a lousy idea. He's not relatable, likable, there's no story potential unless you want to retell the LotR story, he's got no skill set that would make for variance in a game.
Haven't played any LotR game either, so can't compare.