I am not your ally or opponent, Magneto. No one can possess or control what's inside that egg. I sense there is more to it than either of us can anticipate. I will destroy it, and you, if I have to. 
- —Xorn
Appearing in "X vs X"
Featured Characters:
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- (Joins)(Apparent death)
- of Mutopia (Joins)
- Professor X (Charles Xavier) (Mentioned)(Deceased)
Supporting Characters:
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- (Apparent death)
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- (Leaves)(Death)
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Antagonists:
- Sublime (Behind the scenes)
- Sublime's Beast Army (First appearance)
Other Characters:
- Henry McCoy (Corpse, skeleton or other remains)
- Phoenix (Jean Grey) (Mentioned)
- Phoenix Force
- Axel Bohusk (Mentioned)
- Kara Bohusk (Mentioned)
- Tito Bohusk (Mentioned)
- Unnamed Bohusk Siblings (Mentioned)
Races and Species:
- Sentient Bacteria (Behind the scenes)
- Cosmic Beings
Locations:
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-
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- U-Men Base (Destruction)
- District X
- Atom Institute
- U-Men Base
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- Knowhere (Cameo)
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Items:
Synopsis for "X vs X"
- Synopsis not yet written
Solicit Synopsis
• The Classic X-Men rally against Magneto and his New X-Men, to save the life of one of their own!
• EMMA FROST versus her CUCKOOS! Have the students become the teachers??