Holy crap that's a new one on me. That picture is amazing! I think I may know what happened, and unfortunately there isn't a super easy fix on our side. It's the spider-tron physics at play again, so a proper fix is about the only thing that would prevent that. The good news is that that should be super rare and random. If it starts happening a lot to you please let me know and we can bump up the priority on looking over spider-tron's behavior.
Really awesome shot! I love that. :-)