This page contains a listing of all known appearances of the X-Men (Earth-9021). If you find an issue this team appears in that is not shown here, please edit that issue adding "X-Men (Earth-9021)" to the appearances. Chronological Appearances (by Publication) Title Year, Month What If? House of M #1 2009, 02 2009, February Trending pages What If? House of M Vol 1 1 All items (1) # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Other What If? House of M Vol 1 1 Retrieved from "https://marvel.fandom.com/wiki/Category:X-Men_(Earth-9021)/Appearances?oldid=3959859" Categories: Team Appearances Community content is available under CC-BY-SA unless otherwise noted.