User blog comment:WoTee129/Invasion Theories and Predictions/@comment-1421951-20120506041247

All 6 seem plausible to me, and number 5 is exactly what I was thinking. These would all be quite exciting actually. All I have to say is, if the whole time travel thing is true, I hope they don't have us fall in love with the new characters so much that we end up being sad to go back to the original team.