When I was a kid, way back when, my afterschool TV trifecta was watching GI Joe, The Transformers, and He-Man. All three have now been made into movies (There was a He-Man movie made starring Dolph Lundgren back in 1987. It didn't really follow the plot, and was quite awful.)
My movie verdict: GI Joe was worse than Transformers, but better than He-Man. Also? It was a bit of a patchwork frankenstein's monster of a plot. I think I saw most of those scenes already in other movies.
Including the double bladed lightsaber Katanas that Storm Singer was weilding? The fight scene in the vent shaft? The ending that had magneto Cobra Commander and Destro in prison and Mystique Zartan the master of disguises taking the place of the government official? That's kind of what I thought too.