He turns slowly, surprised to hear a voice he recognises... but not that surprised, really. It's with equal parts wry amusement and private disgust that he notes his old enemy's presence comes as a relief, and a simpler relief than it usually might be: if only to himself, he has to admit that he's been slightly concerned that running into whichever Autobots the human June knows before anyone from his own universe would end poorly for him. He's not exactly worried, and he's definitely not afraid, but he's... aware of potential risks, especially drugged and weak as he is.

He pushes those thoughts aside; they're hardly relevant, now.

"Optimus." Megatron acknowledges him, but not his remark about the terminal. "What a typical coincidence."