Okey~ I shall try to explain with a picture~
[img=http://static.comicvine.com/uploads/scale_super/11/117518/2755344-centipede.jpg]
[img=http://static.comicvine.com/uploads/scale_super/11/117518/2755344-centipede.jpg]

Imagine each of those after images to be a portal he can reset himself to (Like rewinding a tape) in addition to that he can also fasten himself up, not being close to to quicksilver but atleast so fast that it is hard to keep track of him