Poor Hank he is always playing second fiddle to Tony. It was one of the plot points of the mighty Avengers and the mini series where Tony travels to the past and encounters Pym and managed to antagonize him once again. They just don't seem to get along. In disassembled Hank was quick to believe the worse about him and wasn't ready to give him the benefit of doubt. So they do have moments where they are always clashing.
Of course here it may be just Slott being Slott as he had Reed insulting Hank for no apparent reason and antagonizing him.He likes to write characters having mental hang ups and floundering due to them.