Loading products using runtime and other functions will give you product info but will not give you pricegroup adjustments. The code below will.

<mvt:comment>
#
# load some products
#
</mvt:comment>
<mvt:do name="l.result" file="g.Module_Library_DB" value="Category_Load_Code( 'backpacks', l.settings:current_category )" />

<mvt:do name="l.result" file="g.Module_Library_DB" value="Runtime_ProductList_Load_Offset_Category( l.settings:current_category:id, g.Offset, 100, g.NextOffset, l.settings:products )" />

<mvt:comment>
#
# Pass array of products into pricegroups function. 
# Price and formatted_price get replaced in products structure with the predicted discounted price. 
#
# Works on product level discounts only.
#
</mvt:comment>

<mvt:assign name="g.product_count" value="miva_array_elements( l.settings:products )" />

<mvt:do name="l.success" file="g.module_feature_tui_ut" value="CommonComponentFields_Initialize_Product_Discounts_Runtime( l.settings:products, g.product_count )" />

<mvt:foreach iterator="product" array="products">
	<div>Product Code: &mvt:product:code;</div>
	<div>Discount Count: &mvt:product:discount_count;</div>
	<div>Formatted Price: &mvt:product:formatted_price;</div>

	<mvt:foreach iterator="discount" array="product:discounts">
	   <div>Description:&mvt:discount:descrip;</div>
	   <div>Discount: &mvt:discount:discount;</div>
	   <div>Formatted Discount: &mvt:discount:formatted_discount;</div>
	</mvt:foreach>
</mvt:foreach>