X-Men (Game Gear video game) mutant abilities drains the energy from the player's character. A new playable character is unlocked after finishing a level, including Storm, Rogue, Psylocke, Nightcrawler and Iceman. There are several foes from the X-Men universe to defeat including Callisto, Sauron, Sebastian Shaw, Omega Red, a Brood Queen and Magneto. Each boss has their own stage based on various diverse settings from X-Men, including the Morlock Tunnels, the Savage Land, the Hellfire Club, Madripoor, the Brood homeworld and Avalon. These levels are often labyrinths of either technological wonders, biological wonders, or a mixture of both. As more X-Men are rescued, these allies
X-Men Mutants. New flagship titles such as "Amazing X-Men" and "All-New X-Men" were launched. The latter featured the original five X-Men members who were brought to the present day. In 2013, for the 50th anniversary of the X-Men, "Battle of the Atom" was published which involved members of both X-Men schools trying to decide what to do about the time-displaced original X-Men. In 2014, Wolverine was killed off in the "Death of Wolverine" story arc. In 2015, as part of "All-New, All-Different Marvel", three team books were launched: the second volume of "All-New X-Men", the fourth volume of "Uncanny X-Men" and