Your concept art was flashed to quick, draw that shot black and white and make the lines thick. Nice you got some sounds in there. Add some motion tween. If this is some ninja theme, do us some hand gestures, if only in black and white, you'll get your style down. Yeah that be cool. Get creative.

this was not necessary. the point of a prologue is to show the beginning part of the story and to set up the over arching story that the series will be following.
whats the story here? some standard mysterious guy model 5 with optional mysterious magic model 7 creates the world. why? and to what end?
show us the naruto and dbz characters dancing around in their original worlds first before dragging them into this new world.
or establish some interest about this world beyond that it was created by some guy with magic powers.