Will I enjoy the comics, do they have a similar tone as the movies? Can you recommend a starting point?
A little while back, I was in a library and started reading a random Deadpool collection I grabbed off the shelf. It seemed to have a strong vibe of "people who saw the movie(s) are gonna be reading this now, so we need to make it more like that," which is pretty common for comicbooks (since their audience is a lot smaller than movies). Characters who were killed in the comics have been brought back to life to make the comics more like the movies. Or sometimes even more elaborate measures; Nick Fury in the regular Marvel universe was white, and then they had a whole storyline about how he had son with a black woman, and then "Nick Fury Jr." (who's an adult now, because original Nick Fury is old as shit) also joined SHIELD and lost his eye, and everyone just stopped mentioning the "Jr." part, so that Nick Fury in the regular comics continuity would be more like Nick Fury in the MCU.
Point being, if you enjoyed the movies and want to read comics that have a similar tone, I would say do a little research into which story arc or new creative team started after the movie came out. Those are probably the ones most likely to evoke a similar feel. (There also might already be listicles of "comics you should read if you liked the Deadpool movies" on nerd websites, but those might be older comics that have storylines or characters that inspired elements of the movies, rather than newer comics with a similar tone.)
Incidentally, have you ever seen Once Upon a Deadpool, the PG-13 rerelease of Deadpool 2? You have to put up with "fuck" being beeped out (unless you're lucky enough to be in possession of a fan-edit that integrates those scenes back into the R-rated version), but I personally think the Fred Savage scenes are indispensably hilarious. There are so many times when he says exactly what I'm thinking. Like one time when he says he's more a fan of the Marvel movies, and Deadpool says "we
are Marvel," and Fred points out the quality difference between MCU movies and Marvel licensed by Fox. Maybe jokes like that are more for the hardcore fans, but I found him to be a great audience surrogate character for me personally, and it really added an extra layer of humor to the movie.
Also, I think my entry point to being a Deadpool fan (before the movies came out) was not any of the comics, but the 2014 video game starring Deadpool. It's not available anymore (through official sources, but you can buy discs on eBay if you want legitimacy), but a lot of reviews seemed to pan the gameplay anyway. You're just as well watching a video of it on Youtube so you can focus entirely on the jokes (EDIT: I thought
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would be a fun way to watch the game, because Ryan Reynolds himself is one of the people playing it, but it's more like an interview where you don't ever see the humor or cutscenes). It leans a lot more heavily on the fourth wall than the movies did (Deadpool is constantly talking about how he's in a video game, referencing High Moon, the developer of the game, and sometimes even consulting the game's script), so if you want something more grounded, that ain't the way to go. But if you like the wacky surrealistic humor, that game is a real gem.