A series of 10 previously-unseen Trophies on PS3 Trophies is hinting at a fresh instalment of DLC for Batman: Arkham City.
The 10 Trophies for the alleged "Harley Quinn DLC" are listed below.
No crimefighter should be without this
Breaking and Entering
Find a way into the secret base
How's It Hanging?
Clean up the Dry Docks
The Last Laugh
The joke's on who?
Zip Kick 3 different thugs
Shield Bash 5 different thugs
Snap To It
Snap Flash an unarmed thug, an armed thug, an environmental object and a Titan
Defuse all bombs in 3 minutes or less
A Few New Tricks
Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge
Destroy all Harley Balloons
In an interview published back in January on ComicBookMovie.com (following a Q&A panel at Sac Anime in Sacramento, California) it's claimed Harley Quinn voice actress Tara Strong hinted she'd be bringing bring Harley back in an extension to the game.
Warner Bros. has declined comment.
Update: The official Batman: Arkham City Twitter account has posted a new image along with a tweet that says "Don't worry. This is all part of my plan."
Does this hint that a Batman: Arkham City announcement is on the way? Could it be related to the trophy list below? Keep checking back to IGN for the latest updates.