Thread:Darkseid01/@comment-3048593-20130408205309

I asked on Brevoort's Tumblr-page about the handbooks and here's the response:

Q: A friend of mine who has all of the Marvel Handbooks in his collection is wondering if there are any plans for new ones being released in the future. Do you have any clue about that?

A: I expect we’ll do more eventually.

Although it's good he's confirmed it, it's a shame he didn't elaborate more about it. 