New Delhi, July 29 -- Comic-Con got a lot of Ryan and a little bit of Rocky at a panel on "Project: Hail Mary," the forthcoming film that's equal parts space adventure, real-science deep-dive, broad comedy and relationship drama.

"What's up Hall H!" a giddy Ryan Gosling in a trucker hat and flannel shirt shouted to the crowd of more than 6,000 at Comic-Con's biggest venue.

Amazon MGM Studios showed the opening five minutes and several other slightly unfinished scenes from the first third of the film, seven months before its planned release. (Spoilers for that section follow).

It included an extended glimpse at Rocky, the stone-shaped and faceless alien who becomes Gosling's mission partner as they attempt to save the universe from ecol...