Earth 9997 in the Marvel Multiverse
- Marvels X
- Reprints Marvels X #1-6 (March 2020 – December 2020).
- Earth X
- Reprints Earth X #0-12, X & 1/2 (March 1999 – April 2000, June 2000 & 2000).
Universe X, Vol.1- Reprints Universe X #0-7 (September 2000 – April 2001); Universe X: 4 #1 (October 2000); Universe X: Cap #1 (February 2001); & Universe X: Spidey #1 (January 2001).
- Universe X, Vol.2
- Reprints Universe X #8-12 & X (May 2001 – September 2001 & November 2001); Universe X: Beasts #1 (June 2001) #1; & Universe X: Iron Men #1 (September 2001).
- Paradise X, Vol.1
- Reprints Paradise X #0-5 (April 2002 – October 2002); Paradise X: Heralds #1-3 (December 2001 – February 2002); & Paradise X: Xen #1 (July 2002).
- Paradise X, Vol.2
- Reprints Paradise X #6-12, X & A (December 2002 – August 2003, November 2003 & October 2003); Paradise X: Devils #1 (November 2002); & Paradise X: Ragnarok #1-2 (March 2003 – April 2003).
- Earth X Trilogy Companion
- Reprints Earth X #1/2 (2000); & assorted supplementary materials unavailable elsewhere.
