The new 'Space Jam' sequel has a few references to the original — including a blink-and-you'll-miss-it cameo from the 1996 movie's iconic alien villains

In the 1996 film, the cartoon aliens work with their evil boss Swackhammer to force the Looney Tunes cartoons to work at their space theme park.
Variety

Sigourney Weaver Met With ‘Alien’ Studio Execs About Bringing Ripley Back, Teases ‘Quite Extraordinary’ Idea

After Ellen Ripley’s last appearance in David Fincher’s “Alien 3,” Sigourney Weaver teased a potential return to the world of Weyland-Yutani at a New York Comic Con “Alien” reunion panel. “[‘Alien’ ...