How to select the target for invoking an IMP of a super class?

gistfile1.m

-(IBAction)cancelPressed:(id)sender
{
	
	void (^onComplete)(void) = ^{
		IMP superCancelPressed = class_getMethodImplementation([MCDialogView class], @selector(cancelPressed:));
		superCancelPressed(<what goes here?>, @selector(cancelPressed:), nil);
		//[super cancelPressed:sender];
	};
  
  //...

}