IMDB: For some non-American releases, references to Taco Bell were changed to Pizza Hut. This includes dubbing, plus changing the logos during post-production. Taco Bell remains in the closing credits. In the Swedish release the subtitles still use Taco Bell while the sound and picture has been altered as above. The original version released in Australia (on VHS) contained Taco Bell, yet the newer version on DVD was changed both in logo and dubbing to Pizza Hut. (If you look closely at the scene where the restaurant patrons are looking through the glass windows to the fight scene outside, you can still see Taco Bell etched into the glass, even in the modified version.)
In the UK most people don't know what a Taco Bell is - we don't have them here. So for our audience they changed it to Pizza Hut - those we have.
Taco Bell and Pizza Hut are owned by the same company along with KFC.