Venom 2 was alright. Not anything great but I had fun watching it. I think it's at least more fun than the first one.
Woody Harrelson gives a great and captivating performance as Carnage. Easily the best part of the movie. Unfortunately he seems a lot more sane and collected once he becomes Carnage and gets out of prison. It didn't feel like the same character whom the film sold as an unhinged killing machine.
It's also dissapointing from an adaptation-perspective. If you're going to do a villain as one-dimensional as Carnage, at least show him going on a carnage (duh). That's kinda his main/only appeal. Let us see more of that. But I'm not the biggest fan of Carnage in the first place, so I wasn't too upset about that.
Tom Hardy is fun and likeable as Venom.
spoilers:end of spoilers
The symbiote seems to sense something in Spider-Man and might even know who he is. Just before he gets transported to the MCU, it tells Eddie that symbiotes have knowledge "across universes" like a "hive mind". So it might know that Tobey Maguire's Spider-Man took out a version of Venom somewhere in the multiverse.