ABC's Revenge trailer for the show's return was awesome, offering some tantalizing clues and posing even more burning questions regarding the capsizing of the Amanda and who's on board with it.

Now, one of three sneak peeks from Sunday's "Union," we see a different confrontation take shape - one that's been building for weeks in and of itself. It appears The Initiative is on to Victoria.

What do the Grayson matriarch and her son know, and how does The Initiative know what they know? Watch as Helen Crowley confronts Victoria with a threat that hits very close to home:

Meanwhile, in two additional clips, we see Emily and Nolan, on the eve of Jack's nuptials, discussing her complicated emotions, while Jack and Dec assess their latest predicament at the bar ...

How will these complicated storylines play out on Sunday's episode and the following week's installment, "Sacrifice"? Share your comments with us and vote in our survey below!

Who will die on Revenge?

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.