http://majornelson.com/2012/10/24/announcing-the-halo-4-war-games-pass/
> With the highly anticipated launch of “Halo 4” on Nov. 6 less than two weeks away, Microsoft and 343 Industries today unveiled that there will be more content to come in the months post-launch, and the “Halo 4” War Games Map Pass is your ticket to getting it all at a 15 percent discount. Stoking the excitement for launch, 343 Industries also premiered the gameplay launch trailer for “Halo 4, available now on Halo Waypoint.
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> Retailing for $24.99 USD2 (2,000 Microsoft Points), the “Halo 4” War Games Map Pass confirms your access to three War Games map packs as they become available in December, February and April, and represents a savings of more than 15 percent versus purchasing the packs individually. In addition, Map Pass purchasers will receive two bonus in-game helmets, as well as a unique in-game emblem.
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> Exploring new worlds and wonders, all three Map Packs provide classic “Halo” combat and exciting ways to experience the new feature-set of “Halo” Infinity Multiplayer. Descriptions and tentative release dates are as follows:
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> Crimson Map Pack (December release timeframe)
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> Maps: Wreckage, Harvest, Shatter
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> Description: Witness the chaos of a clash of civilizations in Wreckage, with its blend of claustrophobic spaces and dangerous exposures and venture into the human colony environs of Harvest, and explore a human foray on an alien moon in Shatter.
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> Majestic Map Pack (February release timeframe)
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> Maps: Landfall, Monolith, Skyline
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> Description: Landfall’s emphasis is on infantry battles against a glittering ocean on a distant world, while Monolith exposes you to the naked vacuum of space – and the firepower of opposing teams, and Skyline’s distinctly industrial feel provides new challenges in somewhat familiar, but occasionally confined spaces.
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> Castle Map Pack (April release timeframe)
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> Maps: Daybreak, Outcast, Perdition
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> Description: Daybreak is set in a military facility against the backdrop of an idyllic mountain range, while Outcast plunges you into the warrens, canyons and arches of an alien edifice, and Perdition takes players into the heart of an urban sprawl, with tactical speed and situational awareness its key features.
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> Also included in the “Halo 4” War Games Map Pass are two unique in-game helmets (‘Scanner’ and ‘Strider’) that feature new geometry, and an exclusive in-game emblem (‘Falcon’). The “Halo 4” War Games Map Pass is included as part of the Xbox 360 Limited Edition “Halo 4” Console Bundle.
Nice.
Update: David Ellis, Spartan Ops designer on Halo 4, Tweeted:
> FYI, the War Games Map Pass in Halo 4 comes with the Limited Edition of the game, NOT the console. #Correction
https://twitter.com/DavidEllis/statuses/261149208898326528
Update 2: Thanks to Mazilion for the heads up:
> i don’t know if this has already been posted but you can see concept art of the maps here
> https://skydrive.live.com/?cid=0fab4b8088a70f52&id=FAB4B8088A70F52%213819
Update 3: Thanks to A 3 Legged Goat for direct links to all of the concept art:
> I’ve linked concept art to each map
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> Crimson Map Pack (December release timeframe)
> Wreckage: Witness the chaos of a clash of civilizations
> Harvest: venture into the human colony environs of Harvest
> Shatter: explore a human foray on an alien moon
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> Majestic Map Pack (February release timeframe)
> Landfall: emphasis is on infantry battles against a glittering ocean on a distant world
> Monolith: exposes you to the naked vacuum of space and the firepower of opposing teams
> Skyline: distinctly industrial feel provides new challenges in somewhat familiar, but occasionally confined spaces.
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> Castle Map Pack (April release timeframe)
> Daybreak: a military facility against the backdrop of an idyllic mountain range
> Outcast: plunges you into the warrens, canyons and arches of an alien edifice
> Perdition: takes players into the heart of an urban sprawl, with tactical speed and situational awareness its key features.
Update 4: Video from IGN: IGN on Future Map Packs

