Overview

• Reynolds confirmed McElhenney's cameo during an episode of 'Welcome to Wrexham.'
• The cameo was filmed on the set of Deadpool 3 in London.
• Reynolds joked about Marvel's strict confidentiality, revealing few details.
• Fans speculate McElhenney could play a TVA agent from the Loki series.
• Deadpool 3, titled 'Deadpool & Wolverine,' hits theaters in July.