Faster than a speeding rickshaw / More powerful than the local villains / Able to leap tall mountains in a single bound

I'm on a mission -- does anyone have a screener of this cinematic gem with the intriguing tagline?

An ex-colleague found this tattered sell sheet mixed with some junk in our office. The slick key art has provided the staff with many hours of snickering and giggling.

But the mystery remains -- where did it come from? Just who is Rocket Lionman? Seriously, please forward any leads to me. I think a screening is in order...