Ultimate X-Men (2001 1st Series) #22

Hellfire and Brimstone: Part 2 of 5 - The exciting arc continues! Characters in this issue: Quicksilver; Orb-Weaver; Prosimian; Scarlet Witch; Brotherhood of Mutants; Blob; Toad; Saluki; Kathleen; Professor X; Marvel Girl; Shadowcat; Cyclops; Wolverine