if anyone's using ddg, you can do this by just adding !w for a direct Wikipedia search, or even !imdb for a direct imdb search without going to the respective sites first.
PSA for Firefox/fork users, click the button to the left of the search bar after clicking blank space in the search bar, you'll get a list of choices besides just your primary selection. You can add more:
I haven't used Bing in a while but I alternate between Ecosia and DDG, supposedly Bing as their main provider. I find more and more differences between them nowadays so I do feel DuckDuckBot and Qwant partnership are doing their thing. I'm optimistic about both of them broadening their sources as they state in their websites.