Stone later joins the group after his father Silas is among those kidnapped, and Curry also joins in after Steppenwolf decides to attack Atlantis to retrieve the second Mother Box, forcing Curry to take action.
Stone later joins the group after his father Silas is kidnapped, along with several other S.T.A.R. Labs employees, by Steppenwolf who is looking for the box left with mankind. Meanwhile, Steppenwolf attacks Atlantis to retrieve the second Mother Box, forcing Curry to take action.