There’s a post going around that says it has a link to some cast information for a Legend of Korra movie. (http://nightly-firefly.tumblr.com/post/30480238652/hey-hey-the-cast-of-the-korra-movie-finally)
Don’t click on it. It’s a link to a flashing gif (and when I say flashing, I mean I looked at it for only a couple seconds, as long as it took to close the tab, and my eyes still hurt).
OP looks like a legit blog, too, at first glance.