The Tonight Show’s intense staredown sequence is back, featuring Jimmy Fallon and Robert Downey Jr. with long hair and man-buns as they sit in the snowy mountains and share cryptic, New Age utterances like “Osprey, I await. Prey upon my loins. Mount my torso like the bull of Poseidon.†Whether any of these things are clues about the fate of Iron Man 4 remains unclear.