Bungie are set to host a big reveal event for Destiny: Rise of Iron today, but it seems their big domino might have just fallen.
As caught by Youtube user Jhairehmyah, the trailer apparently hit on Snapchat early. It shows parts of the story, a shot of what looks like a massive raid, a new enemy type and a bunch of new armour. Interestingly, the fabled Gjallerhorn is coming back, but maybe don't get too excited. It's a pre-order bonus, so one would have to assume that it has been reworked to some degree.
Take a look here: