Whatever critics say, Avengers: Age of Ultron will find a massive audience. It could be the next Citizen Kane or on the level of Plan 9 For Outer Space, but the Marvel franchise is an unstoppable machine right now. As the first responses from the superhero sequel come into play, however, it looks as though the mega-blockbuster is at least pretty good.

It's only a handful of tweets so far, but they were collected by both Sound on Sight and Slashfilm.

They all come from critics, which gives their responses some creditability. While they are all embargoed for the time being, the responses announced thus far (at least mostly) feel Age of Ultron is a well-directed and appropriately darker return.

Here are the most positive tweets so far:

Meanwhile, here are some that are not quite as enthusiastic, but still favorable:

Of course, not everyone can have fun:

These are just a handful released, and more come in due time. The biggest takeaway from these tweets seem to be that Jeremy Renner is the standout of the film, which is always exciting. It's finally time for Hawkeye to hold his own weight, and this is as good of time as anyway.

Image courtesy of Jennifer Graylock/INFphoto.com