Board Thread:Questions and Answers/@comment-26916180-20160315110913/@comment-27178728-20160315122724

In the comics, Lucifer and Constantine have already met, because Constantine and Lucifer are both Vertigo publications.

But Constantine aired on NBC and Lucifer on Fox so I think Lucifer and Condtantine aren't in the same Lucifer. If Lucifer is in the same universe with Constantine, so Lucifer is in the Arrowverse...

Also, Gotham is airing on Fox but Lucifer and Gotham aren't in the same universe, so... Also, iZombie (Vertigo) is airing on The CW, but iZombie is not set in the same universe that Arrow, The Flash, Constantine, Vixen and DC's Legends of Tomorrow, so...