"Ultimate Comics Ultimates #21 (2011)" is associated with the Marvel Heroes brand.

The publisher of "Ultimate Comics Ultimates #21 (2011)" is Marvel Comics.

The genre of "Ultimate Comics Ultimates #21 (2011)" is Superheroes.

"Ultimate Comics Ultimates #21 (2011)" falls under the category of Comics.

The artist of "Ultimate Comics Ultimates #21 (2011)" is Scot Eaton. The cover artist is David Yardin.

The writer of "Ultimate Comics Ultimates #21 (2011)" is Sam Humphries.