Loki´s death : Planned ?

"This plan of yours is gonna get us killed !"

So does this actually mean, he plans to die in this battle, and this is also the reason he walks over the field to save Thor so his brother believes his death faux ?

I read that Loki long before this used a kind of spell to save him from dying on the battle field. And this means he knew he wouldn´t die. And even the words he decided to tell his brother were means to torture his sentiments.

Using his Brothers feelings - this seems most likely.

And the lines spoken as Odin are just feeding right into Thor´s feeling to avoid his responsibility as the heir of Asgard. But how long can he pretend to be Odin. And with Odin gone - and Thor on Midgard - he surely wants everyone to know what he did and that he is the legimate King of Asgard.

It´s more than likely that´s it isn´t enough for him to just have throne but to prove Thor that he is better than him and he wants to see him kneel before him. And the thing more delicious would be to Thor stand beside him just like he did - always in his shadow.