Yes

And yes, it would most likely star Chris Farley

Yes, but most likely in the form of live action.

Just imagine Chris Farley dressed up as an ogre, that would be hilarious

It's possible, but without Mike Myers, it wouldn't be nearly as successful or as good as our world's film.

Yeah, and even with Wroclaw (Breslau) being targeted in September 1983, I would never be born in post-Doomsday universe.