The Mortal Instruments teaser trailer will be here "Very Soon"

Today this photo was added to the Mortal Instruments movie Facebook page! The picture hints that the teaser trailer is not far off. Not too long ago director, Harald Zwart took to his Tumblr page to answer a few fan questions. Zwart was asked "When will we see a The Mortal Instruments teaser trailer?" He answered
"Very soon."

What do you think we'll see in the teaser trailer? Will we get our first look at Magnus? The City of Bones? Let us know down below!