Thor comics from Marvel are seen.
The episode title comes from the ice cream flavor Roland gets from Any Given Sundae.
This is the second time Elizabeth Mitchell has played a cold-themed role. She played Mrs. Claus in The Santa Clause 2 (2002) and The Santa Clause 3: The Escape Clause (2006), the latter set in the North Pole.
Captain Hook says he's not a fan of icebergs, referring to the danger they pose to ships.