When Susan is tracking a signal, there is an IP address on a screen: "23.21.190.125". This will lead to online articles for Latveria, Dr. Doom's homeland.
For most of the shoot, Michael Chiklis was terribly uncomfortable in the hot Thing suit. The final street battle, however, was filmed in Vancouver in December, leaving Chiklis as the only comfortable one of the four (the rest were in the skintight blue uniforms).