I've completed everything on LEGO Batman 3 beyond Gotham. But for some reason the side quests says that it isn't finished. I searched every place where you can do side missions and
LEGO Batman 3: In the Nok HUB there is only one Mission missing. Appearently it should be Supergirl, who supposed to be in this very Spot. As you can see she even
LEGO Batman 3: Beyond Gotham - Mission 15 Walkthrough: Breaking the Ice [1080p HD] - video Dailymotion
Play as Christopher Nolan's Dark Knight Trilogy characters in 'LEGO Batman 3: Beyond Gotham' | Batman News
Lego Batman 3 Beyond Gotham Walkthrough Part 1 - Pursuers in the Sewers (Let's Play Commentary) - YouTube
Lego Batman: The Videogame - Wikipedia
Lego Batman 3 Beyond Gotham Mission 2
Amazon.com: DK Readers L3: LEGO® DC Comics Super Heroes: Batman's Missions: Can Batman and Robin Save Gotham City? (DK Readers Level 3): 9781465430144: DK: Books
Amazon.com: LEGO Batman 3: Beyond Gotham - PlayStation 4 : Whv Games: Video Games