Emma Frost has made several appearances in TV shows and video games. She is usually seen as a supporting/background character
TV Shows
Cartoons such as "Pryde of the X-Men," "X-Men: The Animated Series," or "Wolverine and the X-Men."
Movies
Emma Frost appears in the Marvel logo flipbook during the beginning credits of X-Men 3, "X-Men Origins: Wolverine," and "X-Men: First Class."
Video Games
From classic classic arcade games to the more modern games such as Super Hero Squad Online.