blob alien is being tested on spaceship but turns out to be really strong and eats people which makes it bigger and at the end the send an escape pod to earth but it turns out the alien was in the pod.
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AaronE1010 Selected answer as best
“Life” (2017)
https://www.imdb.com/title/tt5442430/
I am sure that this is your movie. If you agree, then please select my answer as Best Answer, there is an option for that.
Trailer:
AaronE1010 Posted new comment
That’s it thank you