WARNING: The following is actually a bit of news and might do you some good.
My mom's not a super hero or an Ice Queen, though I'm sure I would have argued that during my teen years.
No, Ice refers to a new campaign hatched after the London Bombings.
Emergency workers sometimes have a tough time figuring out who a person's emergency contacts are during a crisis. If you're carrying a cell phone, you can denote by putting ICE before your contact name. In Case of Emergency.