My Little Pony: Friends Forever — IDW Publishing
Issue: #14
When a dragon problem in Fillydelphia threatens to get out of hand, Luna enlists Spike’s help to find a peaceful solution. There are many suspects and no easy answers as both Spike and Luna must admit to personal shortcomings in order to find the true culprit.
First appearances: Mina
Creators: Bobby Curnow, Neil Uyetake, Agnes Garbowska, Lauren Perry, Amy Mebberson, Jeremy Whitley
Characters: Princess Luna, Twilight Sparkle, Mina, Spike