https://comicvine.gamespot.com/crossover/4015-55803/issues-cover/?page=6
https://comicvine.gamespot.com/crossover/4015-55803/issues-cover/?page=7
As you can see many of the same volumes that appeared on page 6 are repeated on page 7 including Star Trek vs. Transformers, Vampirella Versus Purgatori, Army of Darkness, Cyberforce/Hunter-Killer and Vampirella/Dejah Thoris.
Other volumes like Killadelphia, which should be on that list are missing.
I don't know if this is a site-wide problem or just on this particular list.
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