How is 'Overwatch: Game of the Year Edition' different than 'Overwatch: Origins Edition'

The Game of the Year Edition has everything from the Origins edition, but also has 10 loot boxes for Overwatch.

As Powerlord stated, the Game of the Year Edition comes with 10 lootboxes for Overwatch. Aside from that, the two editions are identical.

Both editions include:

• 5 Origin skins for Overwatch (Overgrown Bastion, Security Chief Pharah, Strike-Commander Morrison, Blackwatch Reyes, and Slipstream Tracer).
• Tracer Hero for Heroes of the Storm
• Baby Winston Pet for World of Warcraft
• Overwatch Card Back for Hearthstone: Heroes of Warcraft
• Mercy's Wings for Diablo III
• Player Portraits for StarCraft II (Tracer, Reaper, Pharah, Winston, Bastion, and Soldier: 76)