Who is the new and mysterious woman wielding the Hammer of Mjolnir? Let she who is worthy possess the power of the Mighty Thunderer! Introducing a Thor that the Marvel Universe has ner' encountered before. But is this new Thor Asgardian, or from Midgard?

Get ready for a Thor like you've never seen before! Witness the mysterious all-new Thor in action for the very first time! With an army of Frost Giants invading the earth, she may be the world's only hope!

Lifting the enchanted hammer Mjolnir has transformed a mysterious woman into an all-new version of the mighty Thor. But what happens when she's separated from that hammer? Plus, Frost Giants! ROXXON! And oh yeah, whatever happened to the guy who used to carry that hammer?

The Odinson is back. And he clearly doesn't like that someone else is holding his hammer. You know what that means, right? Thor vs. Thor!

The mysterious all-new Thor has taken Midgard by storm. But if her enemies have their say, her reign as the Goddess of Thunder will be a short one. Prince Odinson is making a list and checking it twice. All-Father Odin is so desperate to see Mjolnir returned to Asgard that he will call on some very dangerous, very unexpected allies. And the Absorbing Man and Titania are just up to their usual tricks. Namely, robbing banks and crushing anyone who dares get in their way.

Who is Thor? That's the question on everyone's lips. Most especially Prince Odinson of Asgard. This issue, he starts to narrow down the list of suspects. Meanwhile, tensions continue to flare between the All-Mother and All-Father, Malekith forges his most dangerous pact yet, and Thor prepares to face her greatest challenge!

The battle for the hammer rages on! Behold, the All-New Thor vs. the unstoppable machine of death and destruction that is...The Destroyer!

The final battle with the Destroyer! Guest stars galore! A shocking return! And oh yeah...Thor's secret identity revealed at last!!!

Three stories featuring three Thors! Wrestling superstar CM Punk and Rob Guillory on Young Thor's idea for how to prove himself worthy of Mjolnir: a drinking competition! Noelle Stevenson and Marguerite Sauvage tell a tale of the new Thor! And Jason Aaron on the Girls of Thunder's quest to find the perfect birthday present for their grandfather, King Thor! How about a new Garden of Eden?

Mjolnir lies on the moon, unable to be lifted! Something dark has befallen the God of Thunder, leaving him unworthy for the first time ever! But when Frost Giants invade Earth, the hammer will be lifted - and a mysterious woman will be transformed into an all-new version of the mighty Thor! Who is this new Goddess of Thunder? Not even Odin knows...but she may be Earth's only hope against the Frost Giants! Get ready for a Thor like you've never seen before, as this all-new heroine takes Midgard by storm! Plus: the Odinson clearly doesn't like that someone else is holding his hammer...it's Thor vs. Thor! And Odin, desperate to see Mjolnir returned, will call on some very dangerous, very unexpected allies. It's a bold new chapter in the storied history of Thor! Collecting Thor (2014) #1-5.