Ben Affleck's gambling habit is allegedly troubling his actress wife Jennifer Garner.Affleck, 41, who is currently shooting newest installment of Batman v Superman: Dawn of Justice in Detroit, Michigan, is spending the rest of his time at the local casinos when he is not filming, reported Radar online.Read Ben Affleck banned by Las Vegas casino "Garner is fed up with her husband's gambling ways and the latest headlines have tipped her over the edge," a source said."Ben walked in and went straight to the card games. His hair was a disaster, and he looked like a mess! He sat down and played for roughly 20 minutes before security heard he was there. They made the dealers stop what they were doing and asked him to leave. Ben seemed pretty mad," the source added.Just two months ago, the Oscar-winning actor was red-flagged and under investigation by Las Vegas' biggest casinos for card counting.