Issue: #434
Last valuation update: 2025-10-02
The Serpent Society steps in! But who or what is…Jack Flag?
First appearances: Jack Flag
Creators: Tom DeFalco, Danny Bulanadi, Mark Gruenwald, Joe Rosen, Mike Rockwitz, Ralph Macchio, Dave Hoover, George Roussos
Characters: Captain America, Quicksilver, Hank Pym, Vision, Black Widow, Crystal, Hercules, Keith Kincaid, Cottonmouth, Mr. Hyde, Baron Helmut Zemo, Fer-de-Lance, Jack Flag, Baroness Zemo, Rattler, Puff Adder, King Cobra, Coachwhip, Plastoid, Free Spirit
Story arcs: Fighting Chance