The movie is fun, but it suffers from an overly convoluted plot, under utilization of popular characters, and the addition of too many unnecessary characters. (fatmovieguy.com)
To do so, opens yourself to unnecessary character bashing and bullying as demonstrated by this group and «Eyes on the Net» as above — is that really necessary? (remonline.com)
«Rampage» is a tad too long, padding it's runtime with a lot of unnecessary character backgrounds, silly exposition, and a quick shoehorned message about poaching. (mediamikes.com)