What to stream this week: 'Dune 2' adds spice, J.Lo heads to space, Lenny Kravitz rocks

“Dune: Part 2,” Jennifer Lopez in the sci-fi action pic “Atlas” and a “South Park” episode skewering weight loss drugs are some of the new television, movies, music and games headed to a device near you. Also among the streaming offerings worth your time as selected by...