"Back up," I said. "What did Sam mean by again? You've lost your hammer before?" "Once," Thor said. "Okay, twice. Three times if you count this time, which you shouldn't, because I am not admitting that the hammer is missing." "Right..." I said. "So how did you lose it?" "I don't know!" Thor started to pace again, his long red hair sparking and popping. "It was just like...Poof! I tried retracing my steps. I tried the Find My Hammer app, but it doesn't work!"