Uncapped Ulster scrum-half Marshall comes into the squad after Isaac Boss was ruled out through injury, while Loughney provides cover in the front row as Mike Ross is recovering from a hamstring strain.
Chris Henry and Brett Wilkinson have also secured their places on the plane to New Zealand after proving their fitness in the narrow defeat to the Barbarians clash.
Mike McCarthy, though, is added as precautionary cover as Paul O'Connell is continuing his recovery from a knee injury - with the talismanic lock remaining in London for treatment.
Ireland will face the All Blacks in the three Tests, kicking off at Eden Park on Saturday June 9.
Kidney's men then head to Rugby League Park in Christchurch on June 16 and Waikato Stadium on June 23 for the other two Tests against the World Cup champions.
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The Barbarians are one of the top invitational rugby sides with a long history and classic rugby jersey.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Lions get ready for their matches with this green training jersey. It's what the players wear. Get in the Gear!
A cool looking all black rugby cleat with the high performance adidas is known for. Get in the Gear!
Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
$29.99
The Lions are ready to get their Australia tour underway. They arrive in Perth on Monday.
The New Zealand All Blacks training jersey for 2013/14. Get in the Gear!
The USA Rugby Pro Alternate rugby jersey is perfect for any fan of the Eagles. Get yours to wear during the summer Test matches.
The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.
