The first teaser shows some cross hands, one of which has a hidden blade while the other has a cane and brass knuckles. Also, there seems to be a lot of rain.
The second teaser shows off some more brass knuckles and a bunch of scribbles in wood.
The teasers say that the world reveal will take place on May 12 at 9AM (PT). You can RSVP on the above sites to get an email reminder about the reveal and a "fan pack."