(at around 8 mins) Storm starts talking over her comm badge before she presses it. Much like a walkie-talkie the other end can't here it.
Blob says the ice cream he's eating is tutti-frutti, but the carton he has says vanilla.
In the flashback of Rogue learning how to use her powers, she absorbs Pyro's abilities. She then creates a dog made of fire out of thin air. Pyro's ability isn't creating fire, it's manipulating fire. That's why he wears the flame throwers. So there's no way Rogue could have created the dog made of fire with no fire already existing.