
Spoilers for
Fear Itself # 1
Sin goes all out empowered thanks to the hammer that her father found during the 1940s. And now shes calling herself Skadi and taking down dragons at the bottom of the ocean.
Thor gets beaten by Odin TWICE!
A father and son spectacle like no other.Thor gets beaten by All-Father Odin who's gotten more paranoid since he returned from the dead. He feels the return of Skadi and subsequently the return of the real Asgardian All-Father known as
the Serpent.

Thor gets soundly beaten during the first half of
Fear Itself # 1 when asked whether he sides with men or with the gods.
Thor answers "Men" by the way...
Thor gets a second beating at the hands of his father after protesting the out-of-the-blue announcement that the Asgardians should leave Midgard and return to Asgard immediately. Odin also shows off by taking away
Thor's mjolnir advantage.
Meet
the Serpent
Sin finds
the Serpent All-father waiting for her underneath the waves and calmly introduces himself as the "All-father". Rumor has it that the guy was supposed to be the real All-Father of Asgard until
Odin took the role away from him and banished him under the ocean during pre-historic Earth times.
The Six Hammers of
the Worthy
By the end of
Fear Itself # 1 the six additional hammers of
the Worthy have finally landed on Earth. Writer
Matt Fraction has stated in several interviews that the second issue of
Fear Itself will prominently reveal the identity of
the Worthy crew (including
Hulk,
Juggernaut,
Thing, and The
Grey Gargoyle).
Old Gods Leave

And like the arrogant bastard that he is, Odin retreats to their plane of existence with a chained and weakened Thor in their midst. Leaving the Avengers and the rest of the world to deal with the problem he may or may not have started.
And oh look. the rainbow bridge of Asgard is back as well.
What to expect for Fear Itself # 2
Blitzkrieg USA

And we have to wait for another month to see what exactly happens next....