It wasn't so difficult to tell there were eyes on him. Almost immediately, all that tension from outside was now focused on him the very moment he closed his apartment door, and if he wasn't concerned before he certainly was now.

People simply weren't trustworthy around here, and Loki didn't think twice before reaching into his coat, taking one of his knives to tuck into the sleeve of his coat, the hilt balanced on the tip of his finger to remain hidden and at the ready. He didn't speed up - no point in making whoever it was chase after him. But if they did indeed choose to follow, well. He would just have to do something about that.