How to reference a sheet (which i dont know the name) name comes from a cell refernce

Sub New_Code

Dim exists as Boolean

For a = 1 To Worksheets.Count
If Worksheets(a).Name = ThisWorkbook.Worksheets(“Current”).Range(“V2”) Then
exists = True
End If
Next a

If Not exists Then
Worksheets.Add.Name = ThisWorkbook.Worksheets(“Current”).Range(“V2”)
End If
wk1.Sheets(“Ab”).Activate wk1.Sheets(“Ab”).Range(“A1:CK70”).SpecialCells(xlCellTypeVisible).Copy ThisWorkbook.Worksheets(ThisWorkbook.Worksheets(“Current”).Range(“V2”).Value).Activate ThisWorkbook.Worksheets(ThisWorkbook.Worksheets(“Current”).Range(“V2”)).Range(“A2”).PasteSpecial xlPasteValuesAndNumberFormats