Very bold prediction from someone who never makes predictions ;) .
I disagree, Uncharted sells well, but not as well as a Halo game. Halo 5 will sell up to 6-7 million copies in its first year, and then bundles should make it reach 8-9 million. Uncharted will sell 4 million in its first year, and then bundles will make it reach 7.5 million units.