BOOM! Studios has announced that it would be making available, for the first time, some of the rarest convention variants in company history. Originally scheduled for release in 2020 as part of key convention stops around the United States, these variant covers will now be exclusively available in extremely limited quantities through comic shop retailers on February 24, 2021.

These never-before-seen convention variants are available for the first time ever:

A Thief Among the Trees: An Ember in the Ashes Limited Edition Hardcover

$40 each
Cover art by Qistina Khalidah.
Limited to 250 copies.
Originally scheduled to debut at Comic-Con International 2020.

Adventure Time: Marcy & Simon Limited Exclusive Hardcover

$40 each
Cover art by Myra Rose.
Collects Adventure Time: Marcy & Simon #1-6.
Limited to 500 copies.
Originally scheduled to debut at WonderCon 2020.

Firefly: The Sting Limited Edition Hardcover

$40 each
Cover art by Miguel Mercado.
Limited to 500 copies.
Originally scheduled to debut at WonderCon 2020.

Mighty Morphin Power Rangers #45 Showcase Variant

$40 each
Cover art by Felipe Massafera.
Limited to 300 copies.
Originally scheduled to debut at Wondercon 2020.

Mighty Morphin Power Rangers/Teenage Mutant Ninja Turtles Limited Edition Softcover

$20 each
Cover art by Dan Mora. 
Collects the Mighty Morphin Power Rangers/Teenage Mutant Ninja Turtles #1-6.
Limited to 500 copies.
Originally scheduled to debut at Comic-Con International 2020.

Power Rangers: Ranger Slayer #1 Convention Exclusive Variant

$40 each
Cover art by Dan Mora.
Limited to 300 copies.
Originally set to debut as part of BOOM! Studios 2020 Convention Tour.

Power Rangers: Drakkon New Dawn #1 Convention Exclusive Wraparound Variant

$50 each
Cover Art by Juan Gedeon.
Limited to 250 copies.
Originally set to debut as part of BOOM! Studios 2020 Convention Tour.

Additionally, extremely limited quantities of these previously released convention exclusive variant covers have been made available while supplies last:

Saban’s Go Go Power Rangers: Forever Rangers #1 SDCC 2019 Convention Variant

$20 each
Cover art by Evan Cagle.
Limited to 500 copies.
Originally debuted at Comic-Con International 2019.

Saban’s Go Go Power Rangers #18 Convention Exclusive Variant

$20 each
Cover art by Joana LaFuente
Limited to 500 copies.
Originally debuted as part of BOOM! Studios 2019 Convention Tour.

Angel #1 SDCC 2019 Exclusive Variant

$15 each
Cover Art by Will Sliney.
Limited to 500 copies.
Originally debuted at Comic-Con International 2019.

Adventure Time: Marcy & Simon #3 Convention Exclusive Variant

$20 each
Cover art by Rii Abrego.
Limited to 250 copies.
Originally debuted at WonderCon 2019.

Steven Universe #25 Convention Exclusive Variant

$20 each
Cover art by Xiao Tong Kong.
Limited to 500 copies.
Originally debuted at WonderCon 2019.

Steven Universe #26 Convention Exclusive Variant

$20 each
Cover art by Xiao Tong Kong.
Limited to 500 copies.
Originally debuted at WonderCon 2019.

Steven Universe #27 Convention Exclusive Variant

$20 each
Cover art by Xiao Tong Kong.
Limited to 500 copies.
Originally debuted at Denver Pop Culture Con 2019.

Steven Universe #28 Convention Exclusive Variant

$20 each
Cover art by Xiao Tong Kong.
Limited to 500 copies.
Originally debuted at Denver Pop Culture Con 2019.

Over the Garden Wall: Soulful Symphonies #1 NYCC Exclusive Variant

$20 each
Cover art by Dean Stuart.
Limited to 250 copies.
Originally debuted at New York Comic Con 2019.