| Marvel Comics|
| X-Factor #17 (April, 2007)|
Peter David utilizing characters created by various Marvel writers as well as brand new ones.
X-Cell is a terrorist organization in the Marvel Comics universe.
Made up of ex-mutants, the group targets government authorities in an attempt to regain their lost powers after the Decimation event, which de-powered over 90% of the world's mutant population and which they believe was caused by the United States government.
Little about the group is known, other than the fact that Quicksilver is associated with them in some way — as was revealed in X-Factor (vol. 3) #17. The group makes itself known in the next X-Factor issue, when its leader Elijah Cross goes to talk with Quicksilver about the possibility of him restoring his powers. Later that day, the X-Factor members find themselves under attack by the Blob and Fatale, who in turn surprisingly get stopped by Marrow.
Quicksilver then used the Terrigen Crystals on his body to repower Fatale, Abyss, Elijah Cross, Reaper, and Rictor to fight X-Factor. He offered to repower Marrow, but Callisto convinced her it was not a good idea (remembering her own experience with Pietro's repowering abilities in Genosha). As an army of Madrox duplicates launched an assault on Quicksilver's headquarters, the repowered members fought back until something strange occurred: Elijah Cross suddenly exploded. As the other members began feeling a heat build-up, Abyss snagged Reaper and Fatale and thrust them into his Brimstone dimension and following them.
Meanwhile, Callisto and Marrow learned of Quicksilver's role in the depowering of the world's mutants, holding off his future counterparts while Layla revealed the information. After an unseen counterpart managed to stab Marrow from behind, Callisto fled with her to the sewers. Rictor managed to destroy the Terrigen Crystals on Quicksilver but started to grow what might be them on his back. The final fate of the surviving X-Cell members is unknown.
Though they lost their powers when M-Day occurred, each of the members used technology that was related to their powers.Elijah Cross (leader)