Perennial prankster Ellen Degeneres is at it again, scaring Captain America and Scarlet Witch with a classic scare tactic: having a man dressed as Iron Man pop out of a table midway through the show.

At first, Melissa McCarthy thought it was Santa Claus suddenly popping out of a box to surprise scare her on Ellen Thursday. Then, much to her delight, she realized it was her favorite pop sensation ...