Jennifer Garner Has Ben Affleck & Batman on Her Mind on Halloween

Ben Affleck keeps it cool with eyeliner while exiting a Halloween party on Friday (October 31) in Brentwood, Calif.

The 42-year-old actor was joined by his wife Jennifer Garner, who sported a bat headband to support his Batman character in upcoming film Batman v Superman: Dawn of Justice.

PHOTOS: Check out the latest pics of Ben Affleck

In case you didn’t know, Jennifer recently chatted about how sexy she thought Ben‘s Batman voice was during an interview with Empire.

10+ pictures inside of Ben Affleck and Jennifer Garner dropping by a Halloween party in Brentwood…