If you're a fan of the Batman: Arkham franchise, you were probably elated to learn of the upcoming DLC featuring Mr. Freeze. Below is a very well put together video courtesy of the folks at BATMAN ARKHAM VIDEOS, whom I'm personally a fan of. Not only is it informative, but it's a real treat for fans of the games and Batman: The Animated Series. They've also uncovered a detail in the game's data file "BMGame.ini" that states a scenario known as "A Cold, Cold Heart" is to be included as part of the season pass. Not only is this the name of the song that The Joker sings during the end credits, but it aligns a little too well with the recent news. They do point out it's to be taken with a grain of salt, but it seems pretty solid to me.