It's figurative. Q puts certain thing inside square brackets [], and that arrangement is referrd to as "in the kill box."
This Q-drop had "[Pope]"
Well, there is no question that Pope Francis is under increasing scrutiny by many in the Church hierarchy. Making the bold claim that there is no Hell (and presumably no Satan) during the week preceding Easter Sunday might have something to do with that.
The Pope was elected with the help of the St. Gallen mafia, which is heavily populated by Swiss and German prelates. There is also the matter of the iniquitous German church tax, which gives certain German cardinals great power within the Church.
Can George Soros be far behind?
And did Barack Obama help by spying on the Conclave?
Enquiring minds want to know.