User blog comment:Justice Avenger/Which young heros you think should be added to The Team?/@comment-5149765-20120622081737/@comment-4928331-20120622091426

Gee, the definition is pretty simple. When someone or something enters the territory of someone else, that's an invasion. When U.S. raided Iraq, it's an invasion. When Asian carp raided the Great Lakes, it's an invasion.