The gut-level fit of ensembles mean almost everything for Hollywood studio laffers, and John Cusack, Craig Robinson, Rob Corddry and Clark Duke make for a sweet cocktail of laughter in the trailer, now online, for high-concept comedy Hot Tub Time Machine, releasing in March from MGM. It seems like The Hangover cross-pollinated with Dude, Where’s My Car? and a pinch of Bill & Ted’s Excellent Adventure.