3 of the top 6 fan requested Xbox One backward compatibility games are Call of Duty

During the Microsoft Press Conference at E3 last week,

they announced that will be enabling the ability for all players to play Xbox 360 games on their Xbox One starting this fall. Only select games are currently available for preview members, but Microsoft has opened up a voting section where fans can choose which games they want.
Currently, out of the top 6 games, 3 of those are Call of Duty titles. The most requested Call of Duty title currently is Call of Duty: Black Ops 2.

1. Red Dead Redemption (55,778 votes as of this writing)
2. Call of Duty: Black Ops II (52,229 votes as of this writing)
3. Skyrim (50,546 votes as of this writing)
4. Halo Reach (43,802 votes as of this writing)
5. Call of Duty: Modern Warfare 2 (43,600 votes as of this writing)
6. Call of Duty: Black Ops (36,331 votes as of this writing)

Call of Duty 4: Modern Warfare is currently at 9th place, and Modern Warfare 3 is at 12th place.
Microsoft is using this voting section to determine which games fans are most interested in for backwards compatibility. Microsoft says that they themselves will configure the games to work with this feature, but the publisher and developer must approve of it. Activision has not yet stated if they will allow their titles to be backwards compatible on Xbox One.

Source: HERE