public class MyView : MvxViewController{
    // other stuff
public override void ViewWillAppear (bool animated)
    {
        var sourceOne = new MyCollectionViewSource (MyCollectionView, new NSString ("MyCollectionViewCell"));
        MyCollectionView.Source = sourceOne;
        var bindings = this.CreateBindingSet<MyView, MyViewModel> ();

        bindings.Bind (sourceOne)
                .To (vm => vm.ItemList);

        bindings.Apply ();
        MyCollectionView.ReloadData ();
    }
}

public MyCollectionViewSource : MvxCollectionViewSource{
protected override UICollectionViewCell GetOrCreateCellFor (UICollectionView collectionView, NSIndexPath indexPath, object item)
        {
            return collectionView.DequeueReusableCell (new NSString ("MyCollectionViewCell"), indexPath) as MyCollectionViewCell;
        }
public override void WillDisplayCell (UICollectionView collectionView, UICollectionViewCell cell, NSIndexPath indexPath)
        {
            var cellz = cell as MyCollectionViewCell;
            cellz.ClearAllBindings ();
            cellz.BindUrl ();
    }
}

public partial class MyCollectionViewCell : MvxCollectionViewCell {
        public MyCollectionViewCell (IntPtr handle) : base (handle)
        {
            BindUrl();
        }
        public void BindUrl()
        {
            this.ClearAllBindings ();
            this.DelayBind(() => {
                this.CreateBinding(MyWebView)
                    .For(webView => webView.MyUrl)
                    .To<ListItemViewModel>(vm => vm.UrlEntryPoint)
                    .Apply();
          });
}