Black Widow Web of intrigue

It's been a long, lively life for Natasha Romanova ? in the Avengers, the Champions, S.H.I.E.L.D., and elsewhere ? but could it end with her surrounded by international assassins? Old enemies and new are using her instructor, her mentor, and her ex-husband against her ? or so it seems ? but who and what can be trusted in a spy's landscape of lies? Guest-starring Nick Fury, Jimmy Woo and other espionage experts! Collects Marvel Fanfare (1983) #10-13, Bizarre Adventures #25, and Black Widow: The Coldest War GN.