Infinity Countdown: Black Widow — Marvel
Issue: #1
Given the incredibly powerful Space Stone to look after by an old friend, Black Widow has no intention of letting it fall into the wrong hands...but is even the top espionage agent in the world ready to handle cosmic responsibility?
Creators: Alan Fine, Dan Buckley, Joe Quesada, Jordan D. White, Gerry Duggan, Bill Sienkiewicz, C. B. Cebulski, Yasmine Putri, Annalise Bissa, Nicole Virella, Cris Peter, Cory Petit, Michael Del Mundo, Brent Schoonover
Characters: Black Widow, Jamie Braddock, Merlyn
Story arcs: Infinity Countdown