My spoiler-riddled theories as to why this scene wasn’t included in the film:
The basic theory: It cut in order to make the overall tone of the film less dramatic and more fitting with the comedy-action they were going for
My main theory: To make a more dramatic reveal when Thor asked Loki to drop the illusion. Those of us on tumblr were privy to the missing scene, and how powerful it looked out of context, but if you think about it, where would it fit? Before Thor came to visit Loki? Then the viewers would have already known the state he was in, and the illusion would have been pointless. Or would it have been after Thor came to make the bargain with Loki? I don’t think it would have fit there.
I was not expecting the illusion, and then Loki dropped it looking like he was incredibly broken (bloodied foot and all) and completely resigned. And then he says so calmly, “Now you see me, brother.” There’s the implication of the missing scene, and I think that was more dramatic than if the missing scene had been left in. I was more affected by it than the funeral.
And then, there’s this possibility: That “missing” scene that launched a thousand gifsets, that came one of the “making of” featurettes. It’s plausible that the scene was never intended to be in the film in the first place, and they were merely sharing a moment of Tom Hiddleston getting into the headspace of Broken!Loki, drumming up all that rage and hopelessness and grief in preparation of the coming scene.
I definitely think that the film was a bit rushed—especially during the heartrending moments. But this? This I actually think they got right.
Yes, I absolutely agree. Ooh and good point about the possibility of this being Tom getting himself into Loki’s headspace.