Take a look @ Marvel Comics' "Black Widow" #1, available March 2016, written by Chris Samnee and Mark Waid, with covers by Phil Noto, Tula Lotay and Skottie Young:
"...'Natasha' has spent years gathering secrets, and when some of the darkest ones begin mysteriously going public, no one is safe.
"With her betrayed former confederates at 'S.H.I.E.L.D.' on her heels and a lifetime of training and ingenuity at her disposal, Natasha's out for answers in a knock-down-drag-out tale of action and espionage!
"Hidden enemies, old friends and unusual allies collide, and all eyes are on 'Black Widow'. The chase is on..."