Ben Affleck on Co-Parenting With Jennifer Garner: ‘We’re Doing Our Best’

"We're good friends," the actor says of estranged wife Jennifer Garner.

— -- Ben Affleck and Jennifer Garner are separated, but the actor said in a new interview that the pair are focused on co-parenting their three children.

Garner and Affleck, both 43, announced their separation in June 2015 after ten years of marriage.

He told DeGeneres that his son Sam may believe he’s the real Batman.

“When I leave he’s like ‘Dad, you’re going to the bat cave? I’m like ‘Yes, I am,’” Affleck said.

Sam also comically warns his father, “Watch out for the Joker!” Affleck's response? "I’ll look out for him, big guy.”