In 2012, LEGO released 4 Minifigure Series Multi-pack sets, all of these sets have been retired. For that year, the total price of all retail sets cost $58, today those sets are valued around $175, a growth of 202%.
Most valuable 2012 Minifigure Series Multi-pack set
VIP Top 5 Boxed Minifigures $55.65
Largest 2012 Minifigure Series Multi-pack set
Minifigure Accessory Pack 63 pieces
Most owned 2012 Minifigure Series Multi-pack set
Halloween Accessory Set
4 sets

Minifigure Accessory Pack

Theme / Subtheme Minifigure Series / Multi-pack
Year 2012
Pieces / Minifigs 63 / 3
Availability Retired
LEGO Minifigure Series Multi-pack Minifigure Accessory Pack
Retail $14.99
Value $28.24
Growth  +88.4%
Annual growth 3.2%

VIP Top 5 Boxed Minifigures

Theme / Subtheme Minifigure Series / Multi-pack
Year 2012
Pieces / Minifigs 37 / 5
Availability Retired
LEGO Minifigure Series Multi-pack VIP Top 5 Boxed Minifigures
Retail $12.99
Value $55.65
Growth  +328.4%
Annual growth 5.4%

Rock Band Minifigure Accessory Set

Theme / Subtheme Minifigure Series / Multi-pack
Year 2012
Pieces / Minifigs 62 / 3
Availability Retired
LEGO Minifigure Series Multi-pack Rock Band Minifigure Accessory Set
Retail $14.99
Value $50.85
Growth  +239.2%
Annual growth 10.3%

Halloween Accessory Set

Theme / Subtheme Minifigure Series / Multi-pack
Year 2012
Pieces / Minifigs 58 / 3
Availability Retired
LEGO Minifigure Series Multi-pack Halloween Accessory Set
Retail $14.99
Value $40.28
Growth  +168.7%
Annual growth 7.3%