User blog comment:Callofduty4/Modern Warfare 3 shown at E3/@comment-3062440-20110607164345/@comment-3051113-20110607231952

^^ Still, if it was so popular in BO, it'll probably be in MW3. The two developers tend to pick ideas from the other. Treyarch obviously so many modern equipment in BO because of MW1 and 2.