Am I ok under fair use?

[joegio13]

I create tutorial videos for a software called MoHo 12. The tutorials are a compilation that leads to a movie/game review that utilizes said content. So it's like you get a "making of" video, followed by the video. Currently, I am working on Disney/Pixar's UP. I really started thinking about it and before I proceed too far with this, I want to make sure my work is usable under "fair use". I don't see it different from artist channels that teach photoshop while using Marvel characters. I basically grab an image and use it as a reference to draw in MoHo 12 (anime studio)

Also check my banner.

thanks,