Yerp check it:

https://www.tomsguide.com/news/disney-plus-is-editing-bloody-violence-out-of-a-surprising-marvel-show

Not even close to the only example, they're even doing it to older movies. Just a quick google find

They're also not just censoring, they do it to match up with movie "canon" better:

https://thedirect.com/article/wandavision-halloween-episode-edited-disney

They're minor edits so far technically, but yeah they're definitely testing the potential