Tarzan and Mary Jane
Da guy-and-gal coupling dat occurs whenever Spider Man requests da collaboration of everyone's favorite jungle-dwelling dude in his crime-fighting escapades, and either offers to temporarily share his sweet-faced main squeeze wif him as an incentive/reward for said assistance, or leaves her in his care till he returns from a mission.
Besides da pleasant-companionship advantage of an interval of "Tarzan and Mary Jane" co-habitation, said joyful visit also allows da two Janes to share a major hen-party to gigglingly swap stories of their respective partners' wild escapades, and also exchange ideas for each of them on how to better please her man.