In 2021, LEGO released 41 Marvel Super Heroes sets across 14 subthemes. Subthemes for that year included Age of Ultron, Avengers, Avengers Endgame, Avengers Infinity War, Eternals, Iron Man, Magazine Gift, Seasonal, ShangChi and the Legend of the Ten Rings, SpiderMan, SpiderMan Far From Home, SpiderMan Homecoming, SpiderMan No Way Home, and What If. For that year, the total price of all retail sets cost $1,619, today those sets are valued around $1,943, a growth of 20%.
Most valuable 2021 LEGO Marvel Super Heroes set
76178 Daily Bugle $349.99
Highest growth 2021 Marvel Super Heroes set
76168 Captain America Mech Armor +343.34%
41 sets

30454 Shang-Chi and The Great Protector

Theme / Subtheme Marvel Super Heroes / ShangChi and the Legend of the Ten Rings
Year 2021
Pieces / Minifigs 55 / 1
Availability Retired
30454 LEGO ShangChi and the Legend of the Ten Rings Shang-Chi and The Great Protector
promotional
Value $5.00
Annual growth 22.9%

40454 Spider-Man versus Venom and Iron Venom

Theme / Subtheme Marvel Super Heroes / Spider-Man
Year 2021
Pieces / Minifigs 63 / 4
Availability Retired
40454 LEGO Spider-Man versus Venom and Iron Venom
Retail $14.99
Value $23.98
Growth  +60.0%
Annual growth 9.2%

66671 Mech Armor Collection 3 in 1

Theme Marvel Super Heroes
Year 2021
Pieces 385
Availability Retired
66671 LEGO Mech Armor Collection 3 in 1
Retail $23.99
Value $75.00
Growth  +212.6%
Annual growth 19.5%

76145 Eternals' Aerial Assault

Theme / Subtheme Marvel Super Heroes / Eternals
Year 2021
Pieces / Minifigs 133 / 2
Availability Retired
76145 LEGO Eternals' Aerial Assault
Retail $9.99
Value $11.99
Growth  +20.0%
Annual growth 5.9%

76154 Deviant Ambush!

Theme / Subtheme Marvel Super Heroes / Eternals
Year 2021
Pieces / Minifigs 197 / 3
Availability Retired
76154 LEGO Eternals Deviant Ambush!
Retail $24.99
Value $21.43

76155 In Arishem's Shadow

Theme / Subtheme Marvel Super Heroes / Eternals
Year 2021
Pieces / Minifigs 493 / 4
Availability Retired
76155 LEGO Eternals In Arishem's Shadow
Retail $59.99
Value ~$59.99

76156 Rise of the Domo

Theme / Subtheme Marvel Super Heroes / Eternals
Year 2021
Pieces / Minifigs 1,040 / 6
Availability Retired
76156 LEGO Eternals Rise of the Domo
Retail $89.99
Value $74.99

76168 Captain America Mech Armor

Theme / Subtheme Marvel Super Heroes / Avengers
Year 2021
Pieces / Minifigs 121 / 1
Availability Retired
76168 LEGO Avengers Captain America Mech Armor
Retail $9.99
Value $44.29
Growth  +343.3%
Annual growth 36.4%

76169 Thor Mech Armor

Theme / Subtheme Marvel Super Heroes / Avengers
Year 2021
Pieces / Minifigs 139 / 1
Availability Retired
76169 LEGO Avengers Thor Mech Armor
Retail $9.99
Value $26.08
Growth  +161.1%
Annual growth 36.4%

76170 Iron Man vs. Thanos

Theme / Subtheme Marvel Super Heroes / Avengers
Year 2021
Pieces / Minifigs 103 / 2
Availability Retired
76170 LEGO Avengers Iron Man vs. Thanos
Retail $19.99
Value $20.00
Growth  +0.1%
Annual growth 2.4%

76171 Miles Morales Mech Armor

Theme / Subtheme Marvel Super Heroes / Spider-Man
Year 2021
Pieces / Minifigs 125 / 1
Availability Retired
76171 LEGO Spider-Man Miles Morales Mech Armor
Retail $9.99
Value $22.49
Growth  +125.1%
Annual growth 17.5%

76172 Spider-Man and Sandman Showdown

Theme / Subtheme Marvel Super Heroes / Spider-Man
Year 2021
Pieces / Minifigs 45 / 2
Availability Retired
76172 LEGO Spider-Man and Sandman Showdown
Retail $9.99
Value $20.00
Growth  +100.2%
Annual growth 12.4%

76173 Spider-Man and Ghost Rider vs. Carnage

Theme / Subtheme Marvel Super Heroes / Spider-Man
Year 2021
Pieces / Minifigs 212 / 3
Availability Retired
76173 LEGO Spider-Man and Ghost Rider vs. Carnage
Retail $19.99
Value $40.57
Growth  +103.0%
Annual growth 24.5%

76174 Spider-Man's Monster Truck vs. Mysterio

Theme / Subtheme Marvel Super Heroes / Spider-Man
Year 2021
Pieces / Minifigs 439 / 4
Availability Retired
76174 LEGO Spider-Man's Monster Truck vs. Mysterio
Retail $39.99
Value $64.96
Growth  +62.4%
Annual growth 8.5%

76175 Attack on the Spider Lair

Theme / Subtheme Marvel Super Heroes / Spider-Man
Year 2021
Pieces / Minifigs 466 / 6
Availability Retired
76175 LEGO Spider-Man Attack on the Spider Lair
Retail $69.99
Value $88.60
Growth  +26.6%
Annual growth 7.4%

76176 Escape from The Ten Rings

Theme / Subtheme Marvel Super Heroes / ShangChi and the Legend of the Ten Rings
Year 2021
Pieces / Minifigs 321 / 4
Availability Retired
76176 LEGO ShangChi and the Legend of the Ten Rings Escape from The Ten Rings
Retail $29.99
Value $29.88

76177 Battle at the Ancient Village

Theme / Subtheme Marvel Super Heroes / ShangChi and the Legend of the Ten Rings
Year 2021
Pieces / Minifigs 400 / 4
Availability Retired
76177 LEGO ShangChi and the Legend of the Ten Rings Battle at the Ancient Village
Retail $39.99
Value $34.41

76178 Daily Bugle

Theme / Subtheme Marvel Super Heroes / Spider-Man
Year 2021
Pieces / Minifigs 3,772 / 25
Availability Exclusive (Retiring soon)
76178 LEGO Spider-Man Daily Bugle
Retail $349.99
Available at retail
Retiring soon

76184 Spider-Man vs. Mysterio's Drone Attack

Theme / Subtheme Marvel Super Heroes / Spider-Man Far From Home
Year 2021
Pieces / Minifigs 73 / 3
Availability Retired
76184 LEGO Spider-Man Far From Home Spider-Man vs. Mysterio's Drone Attack
Retail $19.99
Value $21.22
Growth  +6.2%
Annual growth 3.4%

76185 Spider-Man at the Sanctum Workshop

Theme / Subtheme Marvel Super Heroes / Spider-Man No Way Home
Year 2021
Pieces / Minifigs 355 / 4
Availability Retired
76185 LEGO Spider-Man No Way Home Spider-Man at the Sanctum Workshop
Retail $39.99
Value $35.28

76186 Black Panther Dragon Flyer

Theme / Subtheme Marvel Super Heroes / Avengers Endgame
Year 2021
Pieces / Minifigs 202 / 3
Availability Retired
76186 LEGO Avengers Endgame Black Panther Dragon Flyer
Retail $19.99
Value $21.96
Growth  +9.9%
Annual growth 3.8%

76187 Venom

Theme / Subtheme Marvel Super Heroes / Spider-Man
Year 2021
Pieces 565
Availability Retired
76187 LEGO Spider-Man Venom
Retail $69.99
Value $90.00
Growth  +28.6%
Annual growth 20.2%

76189 Captain America and Hydra Face-Off

Theme / Subtheme Marvel Super Heroes / Age of Ultron
Year 2021
Pieces / Minifigs 49 / 2
Availability Retired
76189 LEGO Age of Ultron Captain America and Hydra Face-Off
Retail $9.99
Value $12.96
Growth  +29.7%
Annual growth 6.0%

76190 Iron Man Iron Monger Mayhem

Theme / Subtheme Marvel Super Heroes / Iron Man
Year 2021
Pieces / Minifigs 479 / 3
Availability Retired
76190 LEGO Iron Man Iron Monger Mayhem
Retail $39.99
Value $45.00
Growth  +12.5%
Annual growth 6.0%

76191 Infinity Gauntlet

Theme / Subtheme Marvel Super Heroes / Avengers Infinity War
Year 2021
Pieces 590
Availability Retail (Retiring soon)
76191 LEGO Avengers Infinity War Infinity Gauntlet
Retail $79.99
Available at retail
Retiring soon

76192 Avengers Endgame Final Battle

Theme / Subtheme Marvel Super Heroes / Avengers Endgame
Year 2021
Pieces / Minifigs 527 / 7
Availability Retired
76192 LEGO Avengers Endgame Avengers Endgame Final Battle
Retail $69.99
Value $79.95
Growth  +14.2%
Annual growth 2.8%

76193 The Guardians' Ship

Theme / Subtheme Marvel Super Heroes / Avengers Endgame
Year 2021
Pieces / Minifigs 1,901 / 6
Availability Retired
76193 LEGO Avengers Endgame The Guardians' Ship
Retail $159.99
Value $149.99

76194 Tony Stark's Sakaarian Iron Man

Theme / Subtheme Marvel Super Heroes / What If?
Year 2021
Pieces / Minifigs 369 / 3
Availability Retired
76194 LEGO What If? Tony Stark's Sakaarian Iron Man
Retail $34.99
Value $34.98

76195 Spider-Man's Drone Duel

Theme / Subtheme Marvel Super Heroes / Spider-Man Homecoming
Year 2021
Pieces / Minifigs 198 / 2
Availability Retired
76195 LEGO Spider-Man Homecoming Spider-Man's Drone Duel
Retail $19.99
Value $21.99
Growth  +10.0%
Annual growth 3.8%

76196 The Avengers Advent Calendar

Theme / Subtheme Marvel Super Heroes / Seasonal
Year 2021
Pieces / Minifigs 298 / 7
Availability Retired
76196 LEGO The Avengers Advent Calendar
Retail $39.99
Value ~$39.99

76198 Spider-Man & Doctor Octopus Mech Battle

Theme / Subtheme Marvel Super Heroes / Spider-Man
Year 2021
Pieces / Minifigs 305 / 2
Availability Retired
76198 LEGO Spider-Man & Doctor Octopus Mech Battle
Retail $19.99
Value $44.99
Growth  +125.1%
Annual growth 22.7%

76199 Carnage

Theme / Subtheme Marvel Super Heroes / Spider-Man
Year 2021
Pieces 546
Availability Retired
76199 LEGO Spider-Man Carnage
Retail $59.99
Value $104.17
Growth  +73.6%
Annual growth 11.7%

76200 Bro Thor's New Asgard

Theme / Subtheme Marvel Super Heroes / Avengers Endgame
Year 2021
Pieces / Minifigs 265 / 2
Availability Retired
76200 LEGO Avengers Endgame Bro Thor's New Asgard
Retail $29.99
Value $33.95
Growth  +13.2%
Annual growth 5.2%

76201 Captain Carter & The Hydra Stomper

Theme / Subtheme Marvel Super Heroes / What If?
Year 2021
Pieces / Minifigs 343 / 3
Availability Retired
76201 LEGO What If? Captain Carter & The Hydra Stomper
Retail $29.99
Value $34.56
Growth  +15.2%
Annual growth 5.9%

76237 Sanctuary II Endgame Battle

Theme / Subtheme Marvel Super Heroes / Avengers Endgame
Year 2021
Pieces / Minifigs 322 / 3
Availability Retired
76237 LEGO Avengers Endgame Sanctuary II Endgame Battle
Retail $39.99
Value ~$39.99

242104 Venom

Theme / Subtheme Marvel Super Heroes / Magazine Gifts
Year 2021
Pieces / Minifigs 11 / 1
Availability Retired
242104 LEGO Venom
Value $7.22
Annual growth 6.8%

242105 Thor

Theme / Subtheme Marvel Super Heroes / Magazine Gifts
Year 2021
Pieces / Minifigs 4 / 1
Availability Retired
242105 LEGO Thor
Value $4.96
Annual growth 4.3%

242106 Captain America

Theme / Subtheme Marvel Super Heroes / Magazine Gifts
Year 2021
Pieces / Minifigs 6 / 1
Availability Retired
242106 LEGO Captain America
Value $6.01
Annual growth 6.7%

242107 War Machine

Theme / Subtheme Marvel Super Heroes / Magazine Gifts
Year 2021
Pieces / Minifigs 7 / 1
Availability Retired
242107 LEGO War Machine
Value $8.80
Annual growth 11.9%

242108 Iron Spider

Theme / Subtheme Marvel Super Heroes / Magazine Gifts
Year 2021
Pieces / Minifigs 2 / 1
Availability Retired
242108 LEGO Iron Spider
Value $6.70
Annual growth 7.6%

242109 Black Widow

Theme / Subtheme Marvel Super Heroes / Magazine Gifts
Year 2021
Pieces / Minifigs 15 / 1
Availability Retired
242109 LEGO Black Widow
Value $4.54
Annual growth 4.9%