Phase 4 is on wobbly territory, probably a nauseous effect of so many interdimensional shenanigans — Spoilers, duh! Wacky, bonanza fun. I don’t even know what that means, but I know that’s what I expected this film to be. I think we all did. Once the title dropped we were giddy as school children. Unpredictability was this story’s horizon. A film that unabashedly states, ‘Yeah, we’re…