From the solicitation:

Marvel is pleased to present your first look at Fear Itself #4 (of 7) from the chart-topping team of Matt Fraction and Stuart Immonen! The unthinkable has happened—Sin has dealt a crushing blow to Bucky Barnes, aka Captain America, unleashing her full fury on the Marvel Universe! With his country in flames, Steve Rogers enters the trenches, forcing the biggest decision of his entire life. And as the Marvel Universe hangs in the balance, Thor must finally confront the Serpent himself. Can the God of Thunder overcome the God of Fear, or will the Serpent prove that he is the one, true All-Father? The stakes have never been higher as the comic blockbuster event of the summer continues this July, only in Fear Itself #4 (of 7)!

Preview Pages:

 

FEAR ITSELF #4 (of 7) (MAY110572)
FEAR ITSELF #4 (of 7) IMMONEN VARIANT (MAY110573)
FEAR ITSELF #4 (of 7) DODSON VARIANT (MAY110574)
Written by MATT FRACTION
Penciled by STUART IMMONEN
Cover by STEVE McNIVEN
Variant Cover by STUART IMMONEN
Variant Cover by TERRY DODSON
Rated T+…$3.99
FOC—6/13/11, On Sale 7/20/11

Related posts:

1. Advance Preview: Fear Itself #2
2. Advance Preview: Fear Itself #3
3. Teaser: Coming In Fear Itself Book Four: Worlds On Fire
4. Teaser: Coming In Fear Itself Book Two: Blitzkrieg U.S.A
5. Teaser: Coming In Fear Itslef Book Three: The Hammer That Fell On Yancy Street