The The Dark Knight Pack Add-on for LEGO Batman 3: Beyond Gotham has 5 trophies - 5 bronze.
Complete the Dark Knight level with all Minikits unlocked
Complete the Dark Knight level after achieving True Hero status
Complete the Dark Knight level
Set both Free Play characters as Bane (Dark Knight Rises) and Scarecrow (Batman Begins)
Defeat Batman (Dark Knight Trilogy) as the Joker (Nurse) character