This is a key comic for those who wish to collect items related to the upcoming Thunderbolts movie. This issue of Captain America #354 has incredible value because it contains the first appearance of John Walker as the U. Agent (a confirmed character in Thunderbolts). It is also one of the highest graded comics on the CGC scale, since it's ranked a 9.6. Jump on this book, as prices will soon climb due to the hype for this upcoming movie!