This is proof that she stacks abilities straight from her/her creator's mouth.
Originally Posted by useridgoeshere
She literally says it on panel. Someone even went to the effort to post the proof. If you didn't want an answer, why did you bother to ask the question?
Both of these, here I am thinking the posted scans literally goes into detail in several different situations where Rogue states verbatim that her abilities are stacked.