As it turns out, there was some leaked info. Here's a link:

http://www.residentevilsac.com.br/noticias/rumor-detalhes-das-primeiras-fases-de-resident-evil-revelations/ (It's in Portuguese.)

So, any thoughts?

Aaaaaaand I understood nothing. A translation would be in order.

thanks...
i took the liberty of translating it and putting it here... it was in portuguese

Spoiler:

Rumor: Details of the first stages of Resident Evil: Revelations A user just called akiraodasan, published in the website forum Hell Descent a lot of information that detail completely the first two chapters of Resident Evil: Revelations . According to him, who claims to have access to a preliminary demo available at E3 other than 2011, the current version of the title contains a number of differences from the version in copies RE: The Mercenaries 3D . The title was experienced in the office of Capcom in Osaka, Japan The Hell Descent has been responsible for leaking some information about the recent games of the series, and to invest regularly in interviews and special articles about Resident Evil. There are no spoilers in the descriptions made by akiraodasan but if you want to steer clear of specific details of Revelations, avoid reading the following topics, which summarize the long description published: -Getting Started: The game starts on the ship, with the first battles and situations serve as tutorials, which also include the use of Bio Scanner sensor that reveals the location of hidden items. Jill Parker and found a bloody scene, as seen in the trailer and we officially released, with dead people and many creatures around the ship. The new biological weapons use the ship's ventilation ducts to move around and chase personagens.Jill is always accompanied by Parker, even the parts available in the demo that comes with RE: The Mercenaries 3D. -Excerpts water: The ship is turned early in the game and you have to use Jill to swim to safety. The character has about 20 seconds of breath and must avoid objects that float towards you than away from an underwater creature. You can not use weapons under water. -Cooperation: When Jill is attacked, artificial intelligence makes Parker shoot or use physical attacks to save her opponents. The new character has a punch much like Chris in Resident Evil 5 . -Enemies: Four types of enemies can be dealt with in the first two chapters. The chapter has Chris as a playable character will contain the different monsters faced by Jill. Using the Bio Scanner on any creature reveals the weaknesses of BOW and also the parasites responsible for infection, located within the body. The creatures' names should be revealed soon, according to a Capcom representative present at the site. 1. The first is the ordinary monster, as seen in trailers and images, which also has a female version, the weaker. The creature, according to the text, has a second mutation, which is stronger and has claws on the hands and head; 2. The humanoid monster chasing Jill underwater; 3. A creature that explodes upon touching the characters or when you're about to die. Although weak - can be shot with four or five shots - the detonation of your body is able to shoot about 75% of the energy of the protagonists. -Mystery man: The red-haired figure, seen in one of the trailers for the game , appears twice in the first two chapters and speaks English with a Russian accent. The first time, shoot a tranquilizer dart at Jill and loads the police to the mansion already known. The second appearance is seen in the video, the character rendering the former police officer and pointing a gun at Parker. The protagonist, however, seems to know the opponent. More information about this were not disclosed. -Weapon upgrades: You can also find pieces that enhance the weapons used by the characters. In the second stage, Jill Handgun find pieces that extend to the firepower of the gun and increase its capacity from 10 to 12 shots. -Shotgun: The shotgun appears in some images of disclosure is found in the mansion and serves as the only weapon Jill for a while after being attacked by the mysterious man. The equipment has little ammo it takes to be refilled and only holds two bullets at a time. -"Clone" Chris: The second mystery man, tied at the beginning of the demo available in Resident Evil: The Mercenaries 3D does not appear in the version played by the user. Instead, only the chair is stained with blood. -Spencer Mansion: Once again, a hall very similar to the first game appears. Here, Jill Parker suggests that the two separate in order to explore the area. The former police officer smiles and says it reminds her of someone. The passage in the main lobby is ended the second stage of Revelations. -Progression of the plot: The first chapter takes place entirely on the boat (with a stage where you can just play with Parker), while the second is a flashback to Chris, three hours before the first phase. Files will also be present to reveal more about the history. -Length of game: According to the user, Resident Evil: Revelations will have 6 to 7 chapters (about five stages each) and will take between 7 and 9 hours to complete. The phases were tested by akiraodasan completed in about 35 minutes.