The surprise cameo in the May 6 finale follows appearances by 'Big Bang Theory' alums Mayim Bialik and Kunal Nayyar in ...

A Marvel theory might point towards how the MCU could explain why Tony Stark and Doctor Doom have the same face.

Could Our Familiar Glitches in Reality Be Glimpses into a Multiverse? Have you ever felt something—or someone—brush past you, only to turn around and find nothing there?