One of Marvel's popular OTT series at the moment is the Tom Hiddleston starrer Loki and the show is three episodes in on Disney Plus Hotstar. Each episode of the 6 part Loki premieres every Wednesday and the Tamil and Telugu versions of these episodes will be available from June 30, 2021. 

Incidentally June 30 is also the premiere date of episode 4 of Loki, which is currently also available in Hindi besides English. Catch MovieCrow's recap of Loki episodes here, here and here.