Groo the Wanderer #14
Date: April, 1986
Publisher: Marvel Comics
Series: Groo the Wanderer
Groo passes up beautiful women in an oasis to join the slaves who build The Pyramids! Groo screws everything up (of course) and eventually, through a series of hilarious mishaps, frees the slaves and becomes a hero!! It's like Spartacus but better.
Writer and Artist: Sergio Aragonés