They’re talking about M-day, when majority of the world’s mutants lost their powers. From – Uncanny X-Men Vol. 1 #504 Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Like this:Like Loading… Post navigation Cyclops’s Mental Black Box The X-Men Recruits Madison Jeffries