That sometimes leaves the latter looking like a permanent challenger brand with little else to say, a bit like Burger King ... best ads ever). But there was a time not so long ago when Pepsi ...

Watch Pepsi's Super Bowl XVLI ad titled "King's Court" featuring Elton John and X Factor winner Melanie Amaro. Canada’s Trudeau Blames Trump for Trade War: ‘a Very Dumb Thing to Do’ ...

This clever clapback from Pepsi was the perfect response ... In the next shot, he's seen eating a Burger King meal uninterrupted. The shady ad is one of the more brutal examples of brand war ...