system
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human
[Marvel] Bobby Drake (Iceman) and Galactus linked by thermodynamics.

So Galactus gives out more energy then he takes in violating the laws of thermodynamics (first and second). Bobby Drake how ever removes energy from particles to freeze them from what I know. Meaning he removes energy from the universe. So my question is where does the energy that Galactus Generate come from and where does the energy Bobby Drake remove go? Also what is Bobby Drakes theocratical limit? If there is one.
gpt
Honestly, most superpowers break the laws of physics as we know it, in one way or another. tons of characters that has either superstrenght or energy attacks in some way violate the laws of thermodynamics, this isnt unique to iceman. 

as for your question specificly, there is no connection what at all between galactus and iceman. 

galactus uses the power cosmic, which is just the natural power of the universe that exists, its a cosmic force that just exists. he also gains power from eating planets, which is partly why he does it, if he doesnt eat about once per month he grows weak. (the other reason is that he is saving life energy from the heat death of the universe in order to create the next big bang)

bobby drake, being a omega level mutant, can probably just straight up destroy energy, and since he is a omega level mutant, he has no upper theoretical limit. he could freeze the entire problem theoretically.