Faster than a speeding bullet, more powerful than a locomotive, able to leap tall buildings at a single bound. Look, up in the sky, it's a bird, it's a plane, it's Superman! Kellogg's Pep, P-E-P Pep. Kellogg's Pep, the sunshine cereal presents the adventures of Superman. Today, as the famous Bud Smith arrives in Metropolis, Lois Lane and Jimmy Olsen await him, as well as big George Latimer, who carries the deadly kryptonite. Say, here's the big surprise I was telling you abo…