While Google has been doing a great job of their front page animations (today's is very nice, illustrating how Brazil and The Netherlands are on their way to Russia for 2018), Bing appears to be far more attentive to actually answering questions about the competition. For example:
Compared to Bing's
Google's answer brings up some interesting news articles, but Bing brings up stats on the teams and even a prediction of who will win (Cortana - which is driving these predictions - has been doing a perfect job of predicting game outcomes).