Henry Cavill portrays Clark Kent/Superman on the big screen. Although he may fight Batman in movies, he isn't afraid to show a little Batman love on the annual Batman day. The actor took to instgram to a share a post related to the "holiday." He shared a picture of his dogs ears--similar to Batman's silhouette--and wrote: "Happy" Batman Day!! and added the hashtag: BatDog. Fans can see the Superman/Batman story continue onscreen with Justice League opening in theaters on November 17, 2017