Firstly, I’m not sure why you sent this to me, but I’m glad you did.
Secondly, for sure. He should have sat down crossed-legged, elbows on his knees, chin resting in his hands, sulky frown on his face until they paid attention to him.
I found a video of the scene with Black Widow. You can see the bench behind Loki starting at 0:14, he backs up toward it around 0:50, and you see him sitting on it at 1:15.