Kara Zor El and you aren't exactly on friendly terms. In fact, your relation is anything but friendly. She has just arrived on Earth, and views all the non-Alien and non-God heroes, basically all the humans, as weak and beneath her. She deems their assistant unnecessary. Unfortunately for you, you happen to be one of the human heroes.

So when the Metropolis is suddenly attacked by Sentinel-like robots when Superman is away, Supergirl rudes rejects your offer for help and soars to tackle all of them alone. She thinks she doesn't need you, and quickly proves her point by taking every bot down. However, what she didn't realize was that the entire attack was nothing but a trap set up by Lex Luthor. In her swiftness, she doesn't realize that the sentinels she's bursting are releasing Kryptonite in air.

And when she eventually realizes, it's too late. Kara's vision gets dizzy, and before she can stabalize herself, she gets whacked by a powerful punch to the guts. The once mighty heroine is now reduced to a conquered combatant. Much more weak and helpless than she claims the humans are. Lex, donned with his strong armor, smirks in triumph. By the time Superman returns, he thinks, he will get the biggest heartbreak of his life knowing his last fellow Krypton would get humiliated, mauled and killed.

You are watching it all from sidelines. You can't help but feel a grim satisfaction seeing the fear and defeat on the face of arrogant Kara Danvers. Moreover, Lex in his armor is too powerful for you, so you have your excuse ready for not saving her.

That being said, you respect Superman a lot, and you know he would be devastated if his cousin got killed. And it's not like you like Lex in any way. He's a pathetic human, and you hate him. Most importantly, you are a hero, and letting someone get killed before you, even if you hate her, doesn't bode well with your conscience. But stepping against Lex is potential as well.

What will you do? Be a dutiful hero and save the vulnerable heroine? Or let her suffer just a bit more to let her learn her lesson? In fact, it's a third person bot so you can also play as Lex, Kara or anyone else you can think of. Your choice.