Details about the alleged "Gears of War Marcus Fenix Collection" have been leaked online as the "Gear of War Marcus Fenix Collection" release date has been reportedly set for December 2015.

Phil Spencer recently deleted a retweet in which it has been assumed that he teasing fans on Twitter regarding the "Gears of War Marcus Fenix Collection" in which "Gears of War" 1, 2 and 3 are going to be ported to the Xbox One.

And now, Xbox Dynasty (via Gamepur) has revealed an alleged advertisement image for the "Gears of War Marcus Fenix Collection".

Click here to see the alleged leaked advertisement image.

The leaked "Gears of War Marcus Fenix Collection" ad notes that "Gears of War" 1, 2 and 3 are completely remastered for the Xbox One and it would run at 1080p 60fps.

The ad also mentions that buying the "Gears of War Marcus Fenix Collection" would give users access to the beta of "Gears of War 4" allegedly set to be released on Summer 2016.

And finally, the ad reveals that all content as well as new ones would be included in the "Gears of War Marcus Fenix Collection".

Meanwhile, Cyberland has reported that the "Gears of War Marcus Fenix Collection" release date is going to be on December 2015 and that it is going to be revealed on E3 2015.

"Gears of War Marcus Fenix Collection CONFIRMED! My sources tell me that Microsoft is going to announce the game at E3 2015 and you can get your hands on it by December" wrote Cyberland.