Alexa Bliss is not on the current WWE international tour, despite being advertised. She did not work the live events in Cape Town, South Africa on Wednesday and Thursday but is still advertised for Friday's show in Pretoria, South Africa and Saturday's show in Johannesburg. There have been rumors on social media regarding why Bliss hasn't been on TV since the post-WrestleMania 34 RAW but nothing has been confirmed.
Bliss did not appear live on Monday's Superstar Shakeup edition of RAW but she was featured in a sidebar backstage interview during the Mickie James vs. Ember Moon match. The storyline was that Bliss was supposed to do match commentary with RAW Women's Champion Nia Jax but she didn't want to come sit beside Jax because of her bullying ways.
As seen below, Bliss has been active on social media and appears to be at home in the United States this week: