In 2012, LEGO released 13 Monster Fighters sets, all of these sets have been retired. For that year, the total price of all retail sets cost $531, today those sets are valued around $1,949, a growth of 267%.
Most valuable 2012 LEGO Monster Fighters set
10228 Haunted House $569.89
Highest growth 2012 Monster Fighters set
9465 The Zombies +760.04%
13 sets

9461 The Swamp Creature

Theme Monster Fighters
Year 2012
Pieces / Minifigs 70 / 2
Availability Retired
9461 LEGO Monster Fighters The Swamp Creature
Retail $6.99
Value $29.94
Growth  +328.3%
Annual growth 7.6%

9462 The Mummy

Theme Monster Fighters
Year 2012
Pieces / Minifigs 90 / 2
Availability Retired
9462 LEGO Monster Fighters The Mummy
Retail $11.99
Value $43.10
Growth  +259.5%
Annual growth 11.6%

9463 The Werewolf

Theme Monster Fighters
Year 2012
Pieces / Minifigs 243 / 2
Availability Retired
9463 LEGO Monster Fighters The Werewolf
Retail $19.99
Value $59.29
Growth  +196.6%
Annual growth 4.6%

9464 The Vampyre Hearse

Theme Monster Fighters
Year 2012
Pieces / Minifigs 314 / 3
Availability Retired
9464 LEGO Monster Fighters The Vampyre Hearse
Retail $34.99
Value $122.87
Growth  +251.2%
Annual growth 5.6%

9465 The Zombies

Theme Monster Fighters
Year 2012
Pieces / Minifigs 447 / 4
Availability Retired
9465 LEGO Monster Fighters The Zombies
Retail $39.99
Value $343.93
Growth  +760.0%
Annual growth 9.2%

9466 The Crazy Scientist & His Monster

Theme Monster Fighters
Year 2012
Pieces / Minifigs 430 / 4
Availability Retired
9466 LEGO Monster Fighters The Crazy Scientist & His Monster
Retail $49.99
Value $137.28
Growth  +174.6%
Annual growth 4.4%

9467 The Ghost Train

Theme Monster Fighters
Year 2012
Pieces / Minifigs 741 / 5
Availability Retired
9467 LEGO Monster Fighters The Ghost Train
Retail $79.99
Value $226.71
Growth  +183.4%
Annual growth 5.7%

9468 Vampyre Castle

Theme Monster Fighters
Year 2012
Pieces / Minifigs 949 / 7
Availability Retired
9468 LEGO Monster Fighters Vampyre Castle
Retail $99.99
Value $309.00
Growth  +209.0%
Annual growth 10.2%

10228 Haunted House

Theme Monster Fighters
Year 2012
Pieces / Minifigs 2,064 / 6
Availability Retired
10228 LEGO Monster Fighters Haunted House
Retail $179.99
Value $569.89
Growth  +216.6%
Annual growth 11.6%

30200 Zombie Chauffeur Coffin Car

Theme / Subtheme Monster Fighters / Promotional
Year 2012
Pieces / Minifigs 32 / 1
Availability Retired
30200 LEGO Monster Fighters Zombie Chauffeur Coffin Car
Retail $3.49
Value $19.92
Growth  +470.8%
Annual growth 10.6%

30201 Ghost

Theme / Subtheme Monster Fighters / Promotional
Year 2012
Pieces / Minifigs 33 / 1
Availability Retired
30201 LEGO Monster Fighters Ghost
Retail $3.49
Value $25.81
Growth  +639.5%
Annual growth 9.0%

40076 Zombie Car

Theme / Subtheme Monster Fighters / Promotional
Year 2012
Pieces / Minifigs 60 / 1
Availability Retired
40076 LEGO Monster Fighters Zombie Car
promotional
Value $28.97
Annual growth 3.7%

5000644 Monster Fighters Promotional Pack

Theme / Subtheme Monster Fighters / Promotional
Year 2012
Pieces / Minifigs 12 / 1
Availability Retired
5000644 LEGO Monster Fighters Promotional Pack
promotional
Value $32.20
Annual growth 13.0%