Supergirl stretching

Villain plans to find the weakness of the invincible Supergirl, so he first lures her into a fight. Supergirl is much stronger than villain, so she dominates and verbally mocks him. Villain tells Supergirl that he is holding hostages, and this detonator controls a bomb that would kill all the hostages. Supergirl wants to rescue the hostages and agrees to play a stretching game with him.