User blog comment:TheBAT21/What Years are Arkham Origins, Asylum, City, and Knight set in, and how do you know for certain????/@comment-24588209-20150806080314

Arkham Origins is set in 2013, as evident in the CG trailer, as it's spotted on a calendar on the table the Mobster puts his mask on. And so, Arkham Asylum is set in 2018, Arkham City in 2019, and Arkham Knight in late 2019/2020.