What is the general value of this ungraded card?

The current market value for this ungraded card is listed at $11.

Is the Rainbow Foil variant more valuable than standard versions?

Foil variants, like this Rainbow Foil, are typically more sought after and hold higher potential value within the set.

Which set does this Captain Britain card belong to?

This card is part of the 2018 Ultra X Men Marvel set.

Captain Britain [Rainbow Foil] #37 2018 Ultra X Men Marvel — Card Value

Name: Captain Britain [Rainbow Foil] #37 2018 Ultra X Men Marvel — Card Value
Brand: Marvel

2018 Ultra X Men Marvel

What the Captain Britain [Rainbow Foil] #37 (2018 Ultra X Men Marvel) card is worth — ungraded vs graded.

Captain Britain [Rainbow Foil] #37 2018 Ultra X Men Marvel value — Ungraded $11. Prices updated July 2026.

Set · 2018 Ultra X Men MarvelNumber · #37

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Which version do you have?

If you just want the card, buy the Standard version for only $1. The Rainbow Foil version at $11 offers a premium aesthetic and perceived collectibility over the standard print. Collectors prioritizing display or investment should pay the premium for the Rainbow Foil. Casual buyers or those on a tight budget should stick with the affordable Standard version.

VersionUsedNewBuy

Rainbow Foil— this pageCaptain Britain [Rainbow Foil] #37 2018 Ultra X Men Marvel — Card Value$10.6—eBay ↗

StandardCaptain Britain #37 2018 Ultra X Men Marvel — Card Value$1.31—eBay ↗

JunkPal AI· resale insightanalyzing sold comps…

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Price data verified against · 1

SportsCardsPro — Captain Britain [Rainbow Foil] #37 2018 Ultra X Men Marvel$10.6

Item details

Brand: Marvel
Set: 2018 Ultra X Men Marvel
Sport: Marvel
Number: #37

Captain Britain [Rainbow Foil] #37 2018 Ultra X Men Marvel value

A raw (ungraded) Captain Britain [Rainbow Foil] #37 runs around $11, a Grade 9 about null, and a PSA 10 commands null.

What drives the price

Grade, centering, rookie/star status, set scarcity, and print run drive sports-card value. PSA/BGS gem-mint copies and rookies of stars carry the biggest premiums; raw commons sell for little.

Price guide

What this actually trades for — sold values by condition vs. what sellers are asking today

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Condition	Value	Based on
Ungraded	$11	eBay sold comps

Frequently asked questions

What is the general value of this ungraded card?: The current market value for this ungraded card is listed at $11.
Is the Rainbow Foil variant more valuable than standard versions?: Foil variants, like this Rainbow Foil, are typically more sought after and hold higher potential value within the set.
Which set does this Captain Britain card belong to?: This card is part of the 2018 Ultra X Men Marvel set.