No New Multiplayer Maps Will Come to CoD Modern Warfare 3, Only Remasters (Leak)
According to information reached by an industry leaker, Call of Duty: Modern Warfare III's multiplayer mode will see refreshed maps from the original MW2.

Although the release of trailer, which didn't reveal too much). However, what the developers don't tell us, the helpful leakers will.
This time the reports come from an X/Twitter by the handle el_bobberto, who specializes in Activision's series.
According to the Modern Warfare 2.

Assuming that Sledgehammer Games has included every map from the original Modern Warfare 2, this would mean that 16 locations, including Rust, Terminal and Favela, will make their way to the new game.
And while this is not yet officially confirmed information, it can begin to be treated with a fair amount of probability. Recall that in June, screenshots from Modern Warfare III surfaced, showing the classic maps from MW2 (via DSOGaming).
So there's nothing left for us to do but to be patient and wait for official information coming directly from the developers.
Premiere of CoD: Modern Warfare III will take place on November 10, this year. The shooter will hit PC and PlayStation 4, PlayStation 5, Xbox One and Xbox Series X/S consoles.. The production will be a game, priced at $70.