In 2008, LEGO released 5 Batman sets, all of these sets have been retired. For that year, the total price of all retail sets cost $110, today those sets are valued around $1,965, a growth of 1687%.
Most valuable 2008 LEGO Batman set
7888 The Tumbler Joker's Ice Cream Surprise $789.02
Highest growth 2008 Batman set
7884 Batman's Buggy The Escape of Mr. Freeze +1764.76%
Theme Batman
Year 2008
Pieces / Minifigs 76 / 2
Availability Retired
7884 LEGO Batman's Buggy The Escape of Mr. Freeze
Retail $9.99
Value $186.29
Growth  +1764.8%
Annual growth 9.2%
Theme Batman
Year 2008
Pieces / Minifigs 207 / 2
Availability Retired
7885 LEGO Batman Robin's Scuba Jet Attack of The Penguin
Retail $19.99
Value $207.41
Growth  +937.6%
Annual growth 8.5%
Theme Batman
Year 2008
Pieces / Minifigs 267 / 2
Availability Retired
7886 LEGO Batman The Batcycle Harley Quinn's Hammer Truck
Retail $29.99
Value $350.22
Growth  +1067.8%
Annual growth 16.8%
Theme Batman
Year 2008
Pieces / Minifigs 449 / 3
Availability Retired
7888 LEGO Batman The Tumbler Joker's Ice Cream Surprise
Retail $49.99
Value $789.02
Growth  +1478.4%
Annual growth 9.6%
Theme Batman
Year 2008
Pieces / Minifigs 9 / 2
Availability Retired
LEGO San Diego Comic-Con 2008 Batman and Joker
promotional
Value $432.31
Annual growth 9.7%