Ian McKellen Discovered Anthony Mackie Is the New Captain America on ‘Avengers: Doomsday’ Set and Told Him: ‘You Deserve That’

Anthony Mackie recently told IMDb (via The Independent) about Ian McKellen’s wholesome reaction when he told him on the “Avengers: Doomsday” set that he was playing Captain America. “I go to Ian McKellen, he goes, ‘Hello, son.’ I’m like, ‘Ian McKellen, sir. You’re amazing. It’s amazing to work with you,’” Mackie recalled. “He goes, ‘So…