X-Treme X-Men to kill Emma and has the ability to do so. Elias Bogan proves to be the threat behind the murders. Storm and Emma pull it together long enough to facilitate the rest of the team's escape, who then stop Bogan, though certainly not for good. The philosophical rift between the two groups of X-Men reaches its peak here when the X-Treme X-Men promise not to return to the mansion again until the dream of peaceful coexistence is, once again, the goal the X-Men, instead of what the X-Treme X-Men believe to be isolationism and possible mutant supremacy. Kitty Pryde's "Mekanix"
Ultimate X-Men killing Beast, who was killed when a Sentinel attacked the White House during Emma Frost's public disclosure of her school. This made Beast the first dead Ultimate X-Man. As a side note, "Ultimate X-Men" #40 features what Marvel claims to be the first marriage proposal in a comic book letters column, which is answered in "Ultimate X-Men" #44 with a positive response. The third "Ultimate X-Men" writer was Brian K. Vaughan, best known at the time for his work on "". His run was marked by the relative absence of Wolverine as the main character and the re-imagining of second-string