The ornamental design for a beveragecontainer with icicletheme, as shown and described.
FIG. 1 is a front elevation view of a beverage container with icicle theme showing my new design, the rear elevation view being a mirror image thereof;
FIG. 2 is a right side elevation view thereof, the left side elevation view being a mirror image thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a front perspective view thereof.
The dashed lines in all views are shown for environmental purposes only and form no part of the claimed design.