Paramount Skydance held its first upfronts presentation for advertisers Thursday, gathering media buyers, talent and reporters on the Melrose Avenue lot to hear the new-ish company’s marketing pitch. Paramount will continue the road show in the coming days, with several more meetings and events planned in markets including New York. But this week’s event — kicked off by CEO David Ellison , who had just made an appearance earlier in the day in Las Vegas for the company’s CinemaCon presentation —