But, how can just two Asgardians take on an entire kingdom?

Loki is the Allfather, therefore everyone is duty-bound to follow his orders.

Then again, this says more about Thors situation than it does his character.

A bloodied Thor on the cropped cover of Immortal Thor #24

Its not like Thor had a choice in the matter.

If he ran into Asgard with his proverbial guns blazing, he would have been killed or imprisoned.

He needed to covertly check out the situation and use smart tactics to gather intel before declaring war.

marvel hero nova in imperial cover art

The Ultimates #11by Marvel Comics is available now.

Bob From Thunderbolts Next to Sentry from Marvel Comics

Thor with a larger version of his face behind him with runes on it.

Marvel Comics' Thor surging with lightning power.

Marvel Comics' Thor with MCU Thor next to him.

Thor in Marvel Comics Cover Art by Manapul

Comics