Issue: #19 B
First - learn the truth about the Hellfire Club's involvement in the X-Men's quest. Then, the mutant race faces elimination at the hands of a vaccine erasing the X-Gene from future generations...
Creators: Alan Fine, Dan Buckley, Joe Quesada, Jordan D. White, Guru-eFX, Joe Caramagna, C. B. Cebulski, Jeff Powell, Whilce Portacio, Chris Robinson, Erick Arciniega, Bob Quinn, Adriano Di Benedetto, Michelle Delecki, Phil Noto, Juan Vlasco, Carlos Villa, Matthew Rosenberg, Carlos Gomez (AR)
Characters: Mr. Sinister, Beast, Colossus, Cyclops, Emma Frost, Wolverine, Dazzler, Mystique, Marrow, Karma, Psylocke, Elixir, Vanisher, Strong Guy, Moonstar
Story arcs: We Have Always Been