I would check with your legal if its all right to use competitors branding in your advertising. Depending on way this branding is presented (or not) it's either trademark violation, violation of laws forbidding direct comparisons with other brands (hence "better than leading product" in ads) or grounds for libel damages.
https://d33wubrfki0l68.cloudfront.net/e59309758061057655df10...
I would check with your legal if its all right to use competitors branding in your advertising. Depending on way this branding is presented (or not) it's either trademark violation, violation of laws forbidding direct comparisons with other brands (hence "better than leading product" in ads) or grounds for libel damages.