Board Thread:General Discussion/@comment-27767934-20160419224320/@comment-35146637-20190113194815

I don't know about in the Arkhamverse (only ones confirmed that I know of are English and Spanish), but in the main comics continuity he speaks English, Russian, French, German, Japanese, Cantonese, Turkish, Arabic, Swahili, Mandarin, Filipino, Korean, Polish, Latin, Greek, Italian, Portugeuse, Hebrew, Thai, Vietnamese, Swedish, and certain phrases in Kryptonian.