Mobius didn't even bother to grab Loki to try to hold him back because he knew he'd be dragged over the table - no, he just put himself in between the two of them, a blockade. A Mobius sandwich, an immovable mountain, and he wasn't getting out of the way.
"Both of you just stop, or I'm turning this car around and we're going home." What the heck else was he supposed to say?