This is how The Legion of Darkness return goes in The Cutie Re-Mark Part 1.
[Twilight, Starlight, Spike, Optimus, and the Alpha Team enter the castle to see Black Phantom, Toxic Reapa, XT4, Thornraxx, Splitface, Jawblade, Voltix, Core Hunter, and Speeda Demon standing in the throne room]
Black Phantom: Welcome back, Princess and friends.
Toxic Reapa: Glad you could make it.
XT4: We were waiting.
Thornraxx: So lonely while you were gone.
Jawblade: We were worried.
Voltix: Just in time...
Core Hunter: To witness us...
Speeda Demon: Take over the past!