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| Negative Zone | |
| Continuity: | Marvel Universe |
| Aliases: | N-Zone |
| Category: | Reality |
The Negative Zone is an alternate dimension that exists within a universe composed of antimatter. It is the home dimension of various extraterrestrial entities including Annihilus and Blastaar. Reed Richards is the first Earth human to discover the Negative Zone. He built a portal into the zone for purposes of exploration, which was installed in the upper floors of the Baxter Building.