Overstuffed, over long scifi actioner that is so derivative you can spot the rips from other films a mile off, so much so that the film sometimes feels like a series of scenes from other movies stitched together - Edge Of Tomorrow (2014) is the easiest to cite, but you have Starship Troopers (1997) , Alien (1979), Aliens (1986), A Quiet Place (2018) and even The Thing (1982) etc etc. Chris Pratt plays Chris Pratt alias Kit without the tone of comedy that makes him usually good fun in an action role, a former special forces soldier (of course he is!!) who's happy married life, with a young daughter, and as a teacher is shattered with the arrival of soldiers from 30 years in the future who announce that humanity is on the verge of extinction due to an attack by some alien monsters. Recruits are needed from the past and eventually Kit gets sent into the future to fight and it turns out he's a key role to play in the war. There's some time travel conundrums to drive the story forward and whilst there's some entertaining set pieces it all feels so hackneyed. Much of the story is piffle and great big holes can be driven through it, for example with mankind desperate for troops and with a time machine available, albeit with limited capability, the raw recruits receive no training and no information about their foe, this is no doubt so the audience can be suitably in awe of the aliens when they first appear. Believe me you'll be unimpressed. Big budget, loud and overall dull and disappointing I can see why Paramount sold it to Amazon Prime.