This is how Optimus, Twilight, and Sunset vs. Thunderwing and the Corrupted Worm goes in
[Optimus Prime, Twilight, and Sunset Shimmer look around the room and see Thunderwing moving]
Optimus Prime: Everyone, Unicron's true plan. It's Thunderwing, coming out of cryo-stasis.
Ratchet: [on comm] Thunderwing--Unicron's most loyal and powerful follower?
Optimus Prime: He's as tough as they come. How did he get here?
Twilight Sparkle: I don't know.
Sunset Shimmer: We have no idea.