Git yer Monster fix!
Look, Monsters Unleashed was what it was - Marvel's attempt to compete with Eerie. It's definitely a book of it's time, a number of short horror comics collected in one black and white magazine with more than a little filler.
But you have to judge a magazine in terms of it's time. Here's a clue to what it was like - the section about horror movies talks about what may be in release in parts of the country in first run theaters, may be in second run theaters, or may not even be out yet. And suggests for fans of monster movies that aren't in theaters - you can rent them for as little as $25-$75 per movie (yes, 35 mm prints - you have to figure out how to show them) maybe you could go in on it with some friends.
That's right, this was the days before streaming content on the Internet, before DVD rentals, even before VHS and Beta. This was back in the day when you had to get your monster fix where and when you could. And every few weeks, if you were lucky - and the store would sell to you an 18+ magazine thinking it was a harmless 'comic', this is where you went.
And Monsters Unleashed sometimes had the goods. In this case, the highlight is the cover story. A Man-Thing tale that was a cut above the 'Frankenstein' and 'Wolf-Man' retreads in the rest of the mag. It had superior art - Vincente Alcazar was great at drawing the monster, beautiful women, and especially tech, like a closeup of a high powered rifle.
If monsters is what you want, Monsters Unleashed is willing to bring 'em to ya.