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My father was Peter Parker a few times so the one end of the argument has its merits. I have never gotten into Green Lantern so I don't know of anything that entails. One superpower that is really seductive to me is the one that Walky had in It's Walky...he could take control of extraterrestrial technology with his mind whenever he came in contact with it. Flying saucers, killer robots, machines of mass destruction, death rays, reincarnation tanks--all obeyed Walky when he put his mind to it.
And yes, I would love to have that power. Besides, who can argue that I don't have it NOW? I haven't encountered any extraterrestrial technology myself yet...