Thankfully, Strange has managed to pick up just what sort of bug Herbert's talking about: a stint in a digital world and a month in 2016 will help out with that. He looks briefly confused for a moment before Strange realize riiight, it's that sort of bug.

"I don't know why they'd bother with that sort of 'bug.' After all, the carnival tends to leave large areas of destruction wherever we go. You'd think that would be easy to track."

Seriously, it's a 50/50 chance whether the carnival will radically change and/or fuck up a world or whether they leave and everything's hunky dory. Following the carnage should be easy.