The English-dubbed version of Astérix & Obélix: Mission Cléopâtre (2002) does exist, but it’s relatively rare. The film originally starred Christian Clavier (Astérix), Gérard Depardieu (Obélix), and Monica Bellucci (Cléopâtre), speaking French.
I couldn’t find a specific article with that exact title, but here’s the relevant information you’re likely looking for: Asterix And Obelix Mission Cleopatra English Dubbed