Onslaught review – super soldier slasher doesn’t go hard enough

There’s a committed performance from a spunky Adria Arjona in the Guest director Adam Wingard’s decent B-movie but it’s missing some sharper weaponry There’s something rather fascinating about an indie director who heads to the A-list before returning to their roots, a wider skillset and different perspective gained for better or worse. Working within a stricter system – the tiniest of choices being agreed upon by the largest of committees – can often be a creatively crushing experience that…