Phase II is the planned expansion for MOA , developing a large , empty area of land north of the mall which was the former home of the Met Center indoor arena and integrating an IKEA store built on a portion of the property in 2004 . Phase II is the planned expansion for MOA , developing a large , empty parcel of land north of the mall which was the former home of the Met Center indoor arena and integrating an IKEA store built on a portion of the property in 2004 .