When Kara was talking to James at the end about "how multiple earths exists in one space, vibrating at different frequencies but what if they all started to vibrate, couldn't they become one?" - on the surface that was Kara trying to express her feelings for James, but isn't she describing what happened in the Crisis…

I think not listening to the Internet should be your default action at all times. So feel free to not listen to this post.

Diana is stowing her hand luggage, when she sees the live news streams of Doomsday rampaging through Metropolis on the monitors and is just like 'well somebody better clean up this mess' and just up and walks off the flight while the Flight Attendants are all 'Miss???'.

**Minor Spoilers for the movie**