The said 4-minute trailer was shown only at the Comic-Con. To download, just click here.
Here is the dialogue of Lord Voldemort:
Harry Potter, you have allowed your friends to die for you rather than face me yourself. Dispose of your dead with dignity, and confront your fate. If you have not given yourself up, then I shall punish every last man, woman or child who tries to conceal you from me.
Photo via Collider
Photo by Warner Bros. Pictures