NOTE: If this was already shown please delete post
I don't know if some one has shown this before but i haven't seen any post here of it.While i was watching the trailers and TV spots of X-Men First Class I noticed something. IN one of the TV Spot They Show a scene of Magneto fighting someone (Sebastian Shaw as you can see in the pics) Couldn't find it when making this post . When you look at it closely you can see that the other person is wearing the magneto helmet. Then I found this images. . .
Sebastian Shaw (Kevin Bacon) Holding the helmet in the room of the submarine i think by the look of the door.
The Helmet of Magneto By the look of it ( Because of the Sleeves ) hold by Sebastian Shaw
Possibly Sebastian Shaw entering the mirror room
Here is Magneto fighting the other guy (Possible Sebastian Shaw.