While the LOTR films and books have humor, the overall impression I think most would give is that of an epic action drama in a highly detailed and immersive world with it's own history and which was executed on screen in the three LOTR films with scope and heart and a deep texture which rewards repeat viewings.
This is what people want when they bring of Tolkien as a reference for how they would like the Thor mythos to play out in live action. I adore the first Thor, and part of the reason is the well executed action, the fish out of water stuff. But there was no need at all to double down on that in TDW, especially since this meant giving short shrift to other elements which I think myself and others felt, was either pushed to the side or not given the proper development in the script so that instead, time efforts and a film's production resources went to Jane's sad sack "date" or Darcy and now HER intern, or Selvig's unfunny shennanigans. Maybe those would have been easier to tolerate but the film also whiffed on the villains and the action both which seemed, at best, to be perfunctory.
My advice is... The humor will come. That stuff is easier to pull off with this setup (Cosmic being once worshipped by humans as the God Of Thunder comes to modern Earth and wackiness ensues? That stuff can write itself in terms of gags) than trying to make the stakes and drama come off compelling and well done, and as such, the focus on the creators side should be to pull off that aspect as well as they can.
I also think that with TDW, Marvel Studios themselves underestimated how much we as the fans were already engaged by the dramatics they had set up from the first film, from the Thor/Odin/Loki free floating relationship miasma, to the Warriors Three and Sif (plus... Sorry, the obvious build up of Sif's feelings for the Odinson), to the simple reality that the Norse pantheon is a real thing and what that means for the future of Earth now? Yeah, all that? Gonna crap can that for a lackluster villain, a piss poor 2 minute "fight" with Kurse and more time spent on the comedic relief in the finale.
People that are complaining about TDW or are a little worried about word coming from those involved in Ragnarok... This isn't coming from out of a vacuum. There are reasons, not overblown, totally off the mark reasons, to be a bit deflated that they (Marvel Studios) didn't seem to understand what the issues were with TDW. Or at least, so far...