Meant for release in Jan. and Feb. 1996, Handbook to the Malibu Ultraverse #1 and #2 were never published. George was slated to contribute to both issues, as seen in these descriptions from Marvel Vision #1 (Jan. '96) and Marvel Vision #2 (Feb. '96). The artwork accompanying the description for #1 is by Bryan Hitch, while the art meant for the cover of #2 by Jeff Matsuda looks to be accompanying the description for that issue.

HANDBOOK TO THE MALIBU ULTRAVERSE #1 (Errata) (Jan 1996)
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HANDBOOK TO THE MALIBU ULTRAVERSE #1 (OF 2)
* Ultraverse character bios
* Marvel character bios - as they appear in the Ultravese!
* New character bios
Cover by Jerome K Moore, various writers and artists.
48-page special features in-depth information and secrets of Malibu Ultravse heroes and villains, as well as updates on the Marvel guests in our universe!
Featuring artwork by George Perez, jeff Matsuda, Art Thibert, Bryan Hitch, and many moore! Bios of the new Mantra, Juggernaut, the Exiles, Foxfire and others.

HANDBOOK TO THE MALIBU ULTRAVERSE #2 (Errata) (Feb 1996)
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HANDBOOK TO THE MALIBU ULTRAVERSE #2 (OF 2)
Cover by Jeff Matsuda
various writers and artists
This 48-page special features in-depth information and secrets of Ultra heroes and Villains, as well as updates on the Marvel guests in our universe!
Featuring artwork by George Perez, Jerome Moore, John Statema, Bryan Hitch, and many more! Bios include
Black Knight, Sersi, Reaper, Nemesis, the Infinity Gems, Prime, the new Night Man, Rune, Ultraforce and others. (shipping 2/27/1996)