Take a look @ new promo footage from the "Agent Carter" episode "Life Of The Party", airing February 16, 2016 on ABC, featuring the return of the original Russian 'Black Widow' aka 'Dottie Underwood' (Bridget Regan), who is now imprisoned:
"...when 'Peggy' realizes she cannot save 'Wilkes' on her own, she turns to her most unexpected adversary 'Dottie Underwood' for help while 'Whitney' makes a move to control the deadly 'Zero Matter'..."
"Oh, she's a slippery bitch," said Atwell about 'Black Widow'.
"We haven't seen the last of her. 'Peggy' has male baddies that she fights, but to have someone who is physically her equal -- she's a 'Black Widow', incredibly capable and very smart --I think that shows some balance for Peggy, like a flip side of the same coin.
"You'll see more of her in Season 2."
In Season One, Dottie, a product of the 'Black Widow' program, worked alongside 'Dr. Ivchenko' (Ralph Brown) in order to locate a vial of 'Captain America' 'super-soldier' blood, obtained by 'Howard Stark' (Dominic Cooper), but Peggy unwittingly allowed Dottie to escape...