Nope It's going to be shut down, ever since Aliens Quake in '94. I've been telling people for 22 years not to do this but nobody listens and then gets all butthurt when the they get the cease and desist letter.
Fanworks are not legal. But the amount of effort the companies need to put into chasing all fanwork is too large for them to put in any effort beyond cease and desist letters. That is why fanwork still exists. Also, certain companies are much more gentle and friendly with their fans than others. For example, the Star Wars…