Argylle was by far the worst. It took all of Matthew Vaughan's most insufferable traits and cranked them up well beyond tolerability. It's incoherent, drowning in weightless CGI, full of barely-sketched characters, obnoxiously unfunny humour, action set-pieces totally detached from any sort of reality, and worst of all, it all comes wrapped in an oleaginous smarm as though it's not just pleased with itself but expects its audience to be cheering on its wafer-thin, superficial, spoofing-but-not-really of spy genre clichés. There is nothing even close to watchable in it - I'm a huge Sam Rockwell fan but this is not the role for him by a long shot - and I can only imagine that the reason it hasn't been on more 'worst of' lists is that most people took the wise decision to ignore it as it well deserves.
Gladiator II was so interminably dull I turned it off: it shouldn't really be on my list since I only made it about halfway, but the half I did see was every bit as half-arsed as might be expected from such a blatant cash-in. Whoever thought it was a good idea to cast Paul Mescal in a leading role should be thrown to the lions, which would be a more enjoyable watch than anything (in the first half) here.
Both parts of Rebel Moon were equally disspiriting. For all the expense and pretension, the whole endeavour had nothing to offer, a worse copy of a thousand lousy Star Wars knock-offs. Occasionally Snyder will stumble across an evocative idea and I'll find myself partially defending him, yet he always returns to misguided drivel like this or Sucker Punch to remind that, no, he's every bit as infantile and superficial as his detractors accuse him of being. Rebel Moon's pacing and structure is among the worst in any film I've seen in a long time - even Argylle manages to spread out what passes for its plot more evenly - with the first half almost entirely comprising introductions to one-note characters, and the second slow-motion farming and warmongering. Argylle is obnoxious; Gladiator II is boring; Rebel Moon is just sad, the product of a late middle-aged man and the Netflix content farm teaming up for an attempt in algorithmic box-ticking to be down with kids whose parents would have thought this rubbish outdated in their day.
Borderlands was just crap. It wasn't as confrontationally dreadful as Argylle or as tedious as Gladiator II, it was just a bog-standard bad film with bad casting, ugly visuals and not a single attempt to do anything original. I've never played any of the games so have no knowledge or connection to the characters or world, but all of it seemed about as underwritten and rife with unfunny pseudo-ironic sarcasm as many videogames attempting humour. It almost has a quaint value in being reminded of bad videogame films from the turn of the millennium, except within a couple of minutes you're also reminded of they were so reviled in the first place.
I almost hesitate to put Megalopolis on this list because while it's obviously terrible, it's also fascinatingly terrible, bad in the way that mesmerises and makes you wonder what on earth was going through the mind of its creator (it might be a bit mean to suggest dementia, but I did wonder). Truthfully, it's probably the result of endless rewrites over the almost half-century it took to reach the screen from Coppola's original idea in the late Seventies. You can't say the style of storytelling went out of date because it was never in-date, it's not funny-bad frequently enough to survive into my next paragraph, but too much of a curiosity for me to condemn it in anything but the softest terms despite objectively being an extremely bad film. Contemporary cinematic culture would be more interesting with more failures this grand, but it's a grand failure nevertheless. It'll definitely have a cult following in ten years' time, though, if not sooner.
On the other hand, this year did have two fine examples of the so-bad-it's-good movie. I'm not remotely ashamed of having an absolutely fabulous time watching Madam Web and honked with laughter all the way through. It was one of my favourite film watching experiences this year, objectivity be damned, and whether I was laughing with or at, I was laughing nevertheless, which is a lot more than most other movies and television I saw this year had to offer. Shyamalan's Trap was also a lot of fun, playing a silly premise completely straight yet continually pushing everything right up to the line of silliness as though challenging the audience to try and work out if he was in on the joke or not. Josh Hartnett certainly was and gave one of the year's most endearingly off-the-wall performances, the dialogue, like the rest of the film, so often toes the wrong side of the uncanny valley that it's impossible to know if it's sincere or not, and the whole thing is so endearingly odd that it somehow even works that it's all backdoor promotion for Shyamalan's daughter's music career.