So, I just received The Supervillian Book in the mail today. The companion piece to The Superhero Book, The Supervillain Book is 439 pages in length, and is by Gina Misiroglu and Michael Eury. I believe this is a first edition.
I would have expected to see a few Alpha Flight villains in the book, but a scan of the contents page reveals none. Not even The Master of the World or The Great Beasts made it (those looking for the Just Okay Beasts, you are out of luck as well)!
However, in flipping through a few pages, I noted Alpha Flight was mentioned in The Purple Man's article:
"Kara Killgrave, alias The Purple Girl or Persuasion, a character from Alpha Flight, has purple skin and powers similar to Zebediah Killgrave's, and believes him to be her father."
That is all I can find, without actually reading the whole book, cover to cover. And i am still not even halfway through reading The Superhero Book!