It depends on the specific comic storyline. Sometimes they can be portrayed as villains, but in other cases, they might have more complex motives and not be purely evil.
The portrayal of the Kree in comics is not straightforward. They have both good and bad aspects depending on the context and the writer's interpretation. Sometimes they act in self-interest that might be seen as bad, but other times they have noble goals.
Captain Marvel did help the Skrulls in the comics. The reasons behind this could range from shared interests to moral obligations, and it added depth to the storylines.