Yes, Modell's is still operating at Site 5

Last August, in reporting how an art deco savings bank on Eastern Parkway in Crown Heights would become a Modell’s Sporting Goods, Brownstoner added:

Modell’s has had a prominent location for years on Atlantic Avenue near the Barclays Center, but lost the spot to eminent domain to make way for the Atlantic Yards/Pacific Park development.

Not yet. The Site 5 development is on hold as P.C. Richard, which occupies the other big box store on the site, is suing to enforce a deal that it says guarantees their store a place in the coming development. Photos from Thursday.