Supergirl is a 5 piece DC Comics Super Heroes minifg set available exclusively from DC Fandome online through a sweepstakes from August 22 to the 23rd, 2020. It was a very limited release and only 1495 were made. The minifg is based on the appearance of Melissa Benoist's Kara Zor-El in the TV series' fifth season. It was only available in the United States.
The set was recently retired and should experience a significant value increase in coming months.

More sets in DC Comics Super Heroes

Theme / Subtheme DC Comics Super Heroes / Batman
Year 2020
Pieces / Minifigs 743 / 6
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Theme / Subtheme DC Comics Super Heroes / Batman
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Pieces / Minifigs 440 / 4
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Pieces / Minifigs 371 / 3
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Theme / Subtheme DC Comics Super Heroes / Batman
Year 2020
Pieces / Minifigs 54 / 1
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Pieces / Minifigs 17 / 1
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212007 LEGO Mr. Freeze
Value $4.34
Annual growth 5.2%
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212008 LEGO Batman
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Annual growth 5.2%
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212009 LEGO The Riddler
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Annual growth 9.2%
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212010 LEGO Batman
Value $3.65
Annual growth 10.2%
Year 2020
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Value $2.95
Annual growth 1.2%
Supergirl is the most powerful teen in the universe, but she’s also a little clumsy as she learns to control her awesome powers. Like her cousin Superman, Supergirl is from the planet Krypton. She is not only a new student at Super Hero High — she’s also new to Earth. She’s sweet, innocent and optimistic and wants to learn everything about her adopted world.
Description provided by LEGO©