Claudette Barius/Focus Features

Warning: This story contains spoilers aboutBlack Bag.

And they lived happily-ever-after…or did they?

But can they ever truly trust each other?

Cate Blanchett as Kathryn St. Jean and Michael Fassbender as George Woodhouse in Black Bag

Credit:Claudette Barius/Focus Features

“It’s a continual thing,” Fassbender reflects.

They’re all looking over their shoulder within their own organization.

Paranoia is always humming in the background.

Michael Fassbender as George Woodhouse in Black Bag

Michael Fassbender in ‘Black Bag’.Claudette Barius/Focus Features

So I think it goes on as we left off and their relationship as well."

I don’t think they’ll face this problem again," he says.

But that doesn’t mean even graver threats wouldn’t be on the horizon.

Cate Blanchett stars as Kathryn St. Jean in Black Bag

Cate Blanchett in ‘Black Bag’.Claudette Barius/Focus Features

In fact, Soderbergh reveals that screenwriter David Koepp already has an idea in mind for a potential sequel.

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The director also notes that the cast have expressed interest in returning if the project were on the table.

Rege-Jean Page as Col. James Stokes and Michael Fassbender as George Woodhouse in director Steven Soderbergh’s BLACK BAG

Rege-Jean Page and Michael Fassbender in ‘Black Bag’.Claudette Barius/Focus Features

“That’s not going to go away.

So David’s idea of how this circles back to them is really interesting.”

“The black bag is an analogy for marriage,” says Fassbender.

Rege-Jean Page as Col. James Stokes, Naomie Harris as Dr. Zoe Vaughn, Michael Fassbender as George Woodhouse, Cate Blanchett as Kathryn St. Jean, Tom Burke as Freddie Smalls, and Marisa Abela as Clarissa Dubose in director Steven Soderbergh’s BLACK BAG

The cast of ‘Black Bag’.Claudette Barius/Focus Features

“Do you always tell the truth?

What bits do you hold back, and is that to protect your significant other?

It’s an interesting concept.”

Michael Fassbender stars as George Woodhouse in director Steven Soderbergh’s BLACK BAG

Michael Fassbender in ‘Black Bag’.Claudette Barius/Focus Features

So there’s a risk."

“It can be used in everyday life, even outside marriage,” concludes Fassbender.

“There’s always those people that are like, ‘Well, I just tell it how it is.

I always tell the truth.’

And I’m like, ‘No, you’re just being a dick.’

So, black bag is useful in everyday life.”