Little things like that make me appreciate the innocence (in some regards, anyway) of many Japanese high students. Saying "Spiderman should go see Mary Jane" would no doubt evoke a completely different and substance-related image for an American high schooler. I'm sure if that kind of slang and drug culture were existent in Japan, the situation may have been different. But they're not. The boys just meant that Spiderman should go see his girlfriend. Of course, they probably did mean that Spidey should seek a different kind of action from his girlfriend. Hmmm...I guess they're not so innocent after all. Perverts.