If you’re old enough to remember watching John-Boy from The Waltons fly a spaceship that looked like a massive pair of breasts on VHS, then there is plenty in Guardians Of The Galaxy for you.No doubt keenly aware that this movie lacks even a smidgen of the brand awareness of its previous output, Marvel has savvily located its latest megabudget entertainment firmly in the Venn diagram overlap between Modern Innocence and ’80s Irony.