Agent Abigail Barker (Nailbiter)
Agent Abigail Barker (Nailbiter) appears in 10 issues in grailworth's catalog, and was first published in 2014. First appearance: Nailbiter #5 (2014), cover dated 2014.
First appearance
Every appearance we value
Beta Ray Bill: Godhunter (2009) 1 issue
Nailbiter (2014) 4 issues
Character appearances from the Grand Comics Database, CC BY-SA 4.0.