Indeed , Dormammu 's sister mimics her brother 's tactics and goes after Clea as a way of hurting Strange .
Initially , nothing indicates that Clea and Umar are related to or even know each other .
Dormammu 's sister mimics Clea 's brother 's tactics and goes after Clea as a way of hurting Strange .
Initially , nothing indicates that Clea and Umar are related to or even know each other .