It's really strange they would put references to it in MP3 if it's not in development.
http://www.computerandvideogames.com/article.php?id=171525
Nintendo denies Metroid Dread
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"Nintendo and Retro Studio are messing with your minds, as Nintendo tells CVG it's not developing a 2D Metroid game, despite hints in the latest Wii game, Metroid Prime 3.
Rumours of a 2D Metroid for DS, entitled Metroid Dread, ran rife at E3 2005 with the game supposedly turning up on a leaked release list, and later turning up on 'insider' blogs.
All talk of the game ceased until recently when, hidden deep within the Space Pirate-infested depths of MP3, a secret message that can be found using Samus' scan visor hinted: "Experiment status report update: Metroid project 'Dread' is nearing the final stages of completion."
But it's all just a joke it seems. "Nintendo is not making the 2D Metroid at this point in time," Nintendo told CVG.
Bummer. A proper Dual Screen sequel to the legendary Super Metroid would be incredible."
