Batwoman: Sent By Lyla to check up on the Crows because probably the Crows are funded by A.R.G.U.S.
The Flash: Came by to visit while asking Team Flash to look for sonething and also help with the big bad or the meta of the week
Supergirl: Maybe with Lex finally arrested and ARGUS and the DEO share the same earth and due ti lexs level of threat Argus Takes him into custody With Dig overseeing this and is probably there ti help out fir an episode
Superman and Lois: Helps Clark find Captain Luthor