|Released||11 July, 1987|
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Assault on the Onyx Pyramid, part 1 of 2:
Written by James Hill
Art by Martin Griffiths, Dave Hine, Blib & Stuart Place
Mumm-Ra decides to set the ThunderCats straight by threatening their allies - so he goes and burns the Berbil Village. Enraged, Lion-O declares that the ThunderCats (except Wilykiy and WilyKat who stay on Lair watch duty) will go to the Black Pyramid to confront Mumm-Ra once and for all.
The problem is, it's a lot tougher than they thought. Once inside, Mumm-Ra imprisons the ThunderCats and creates an illusion, so he can face Lion-O alone. But before he takes care of Lion-O, Mumm-Ra lets him see what has happened to his friends. Cheetara is trapped in a room with no windows or doors... and the walls are closing in. Panthro is in a devastated Warrior Maiden forest, devastated by robots he had been building to protect his friends. Tygra is back at his apartment on Thundera, letting a pair of attractive ThunderCats (Leopara and Cougara) convince him to relax and forget about Lion-O.
A ThunderCats mini-poster, which was originally the cover artwork for ThunderCats (Marvel UK) - Issue 9