The competition in the `Bigg Boss 15` is getting more serious day-by day. Former `Bigg Boss 13` contestants Rashami Desai and Devoleena Bhattacharjee are likely to enter the house as wild card entries. In other news, actress Shamita Shetty will be seen re-entering the show.  The `Weekend Ka Vaar` episode will also see star cast of `Satyameva Jayate 2` and `Antim: The Final Truth` in the Bigg Boss 15 house.