The closest thing to a pun I would tolerate with Mr. Freeze is some cop telling him to freeze, and him starting to laugh maniacally at the irony.
This thread just once again shows exactly what kills a great serious character: misplaced puns themed around something pertaining to the character. There are only a few characters that should use puns like this in batman, foremost being the joker. The closest thing to a pun I would tolerate with Mr. Freeze is some cop telling him to freeze, and him starting to laugh maniacally at the irony.