"Superboy will be staying at Mount Justice for now," Bruce says. He doesn't look at Clark as he says it. Clark doesn't look at him either. ". . . Mount Justice is a cave," Captain Marvel says, clearly even more bewildered. "And Superboy is solar-powered. Isn't that kind of . . . I don't know . . . mean?" "'Mean'?" Clark repeats in disbelief before he can think better of it.