Rocksteady has posted an official rundown for the Season of Frozen Hearts update for Suicide Squad: Kill the Justice League. In the blog post, Rocksteady explains the new content coming to the game within the next week, including the introduction of a new playable character, Mrs. Freeze. Suicide Squad: Kill the Justice League was released earlier this year and acts as both a spin-off of the Batman: Arkham series and a follow-up to Batman: Arkham Knight.