Guardians of the Galaxy #21 (preview)

Guardians of the Galaxy #21 will arrive in stores on Dec. 23 from Marvel Comics. The issue is written by Dan Abnett and Andy Lanning, with art by Brad Walker and a cover by David Wilkins.

Here's how Marvel describes the issue:

"A Ream of Kings issue. As the shocking true dangers of the Fault become apparent, the Luminals make an unregulated trip into the wild zone, and they've brought back something that threatens to exterminate all life on Knowhere! You guessed it, now it's up to our rag-tag band of misfits to save the universe."

Guardians of the Galaxy #21 will be 32 pages and will cost $2.99