wHAT DOES THE NUMBER 6 MEAN IN THE SECOND TRAILER?IT LOOKS LIKE A 6 ON A RCOKET?6 PEOPLE TO LEAVE THE ISLAND??

http://www.youtube.com/watch?v=KavrnIXeuZk

Here's a slow mo trailer of the previous trailer,you get to see things much much more clearly.WTF is the blood on the arm?! why does Charlie look so evil?! What is the sign on the floor,like a new hatch?AND WTF IS JACKS DAD DOING?>"??!?!?!AND THE EYE!!!

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