In 2012, LEGO released 2 DC Comics Super Heroes Superman sets, all of these sets have been retired. For that year, the total price of all retail sets cost $20, today those sets are valued around $63, a growth of 217%.
Most valuable 2012 DC Comics Super Heroes Superman set
6862-2 Superman vs Power Armor Lex $38.11
2 sets

6862-2 Superman vs Power Armor Lex

Theme / Subtheme DC Comics Super Heroes / Superman
Year 2012
Pieces / Minifigs 207 / 3
Availability Retired
6862-2 LEGO Superman vs Power Armor Lex
Retail $19.99
Value $38.11
Growth  +90.6%
Annual growth 6.8%

30164 Lex Luthor

Theme / Subtheme DC Comics Super Heroes / Superman
Year 2012
Pieces / Minifigs 14 / 1
Availability Retired
30164 LEGO Superman Lex Luthor
promotional
Value $25.17
Annual growth 28.0%