The past, present and future will be colliding when the two behemoths of the north-west, arguably the football capital of England, clash on Super Sunday. Liverpool’s present is crystal clear: eight points clear at the top of the Premier League and the reigning champions of Europe, they are in their pomp – a position they haven’t occupied for 30 years.The contrast with Manchester United is stark. Their present circumstance is an all-time low in the Premier League era. But what will worry the United support the most isn’t perhaps the present. It’s the future. How long will the slump last? Man Utd vs Liverpool: Ways to watchCharlie’s Premier League predictionsThe biggest fear inside Old Trafford is that Manchester United may be in danger of enduring what they have mocked, ridiculed and taunted for the last 30 years.Simply put, are Manchester United in danger of becoming the old Liverpool of the 1990s?Ahead of Manchester United vs Liverpool on Super Sunday, live on Sky Sports Premier League from 3pm, we look at the similarities between the United of today and the Liverpool of the 90s, and what they can learn…Fergie leaves. What next?Wednesday May 8, 2013. Amid the tributes, the timelines, the…