Paramount+ is an excellent streaming service for building your next movie marathon. It regularly adds new movies and classics from Paramount Skydance studios and others. In fact, it just added 82 new movies and shows on May 1 . So, with tons of newly added movies to choose from, it can be tough to know where to start. The good news for you is that I've looked through the full list of all the recently added films, and I've found the three movies you need to watch first this weekend. Top of the list is "Ali," a Will Smith sports biopic that earned a pair of Oscar nominations. Speaking of pairs, I'm also recommending a sci-fi masterpiece that features Nicolas Cage and John Travolta facing off against each other. Finally, there's a Sean Connery classic that's the first appearance of legendary CIA analyst Jack Ryan, and it's definitely a must-watch this weekend. Malcolm has been with Tom's Guide since 2022. He watches dozens of movies every year so you don't have to watch any bad ones.…