It's pure speculation, but following The Great Gatsby soundtrack and her songs success, it seems possible.
Lana followed
Francis Lawrence on twitter today who is the director of Catching Fire.
Now I find it very reaching and hard to believe, but if you
search it on google, the fanbase is blowing up.
She was also in the studio last month with Lenny Kravitz who plays Cinna in the movie. Possible collab?
Also, back in 2012 she stated she was making music for two films in 2013. The first being Gatsby, could this be the second?