Added:

• Improvements to all previous sprites
• Chain Gun, Elf Melter, Rocket Launcher invisibility removed, Elf Melter, Rocket Launcher have tiny sprites now
• Mark I-VI Iron Man Armor replacing Copper, Tin, Iron, Lead, Silver, Tungsten Armors respectively
• Thor's Asgardian Armor > Hallowed Armor
• Captain America (First Avenger) Uniform > Hero's Set
• Hawkeye Outfit > Treasure Hunter Set
• Hawkeye Glasses > Sunglasses
• Spider-Man Suit > Spider Armor
• Hulk > Turtle Armor
• Red Hulk > Beetle Armor (Scalemail)
• Star-Lord Helmet > Meteor Helmet
• Ant-Man > Bee Helmet
• Moon Knight Hood > Moon Mask
• Loki's Horned Helmet > Demon Horns
• Flight Thruster Boots > Lazure's Barrier Platform
• Groot's Plant Pot > Strange Glowing Mushroom
• Tesseract > Rod of Discord
• Web Slinger > Web Shooter
• Redwing > Zephyr Fish
• Skrull Army and item summon > Goblin Army
• Galactus and item summon > Moon Lord
• Muramasa > Marvel Muramasa
• Star-Lord's Quad Blaster > Space Gun
• 2 Town NPCs (Groot & Tony Stark)
• Music for the title intro, overworld music and Boss 1 music
• Splash screen changes and minor UI changes

Added:

• Falcon's EXO-7 Jetpack & Wings > FoodBarbarian's Wings
• Infinity Gauntlet > Cell Phone
• Made Elf Melter, Chain Gun & Rocket Launcher invisible to use for Iron Man armour
• Winter Soldier's Head > Shinobi Infiltrator's Helmet
• Venom's Head > Space Creature Mask
• Nick Fury's Head > Obsidian Outlaw Hat
• Rocket Raccoon's Head > Fox Mask
• Scarlet Witch's Crown > Gold Crown
• Doctor Strange's Head > Apprentice's Hat
• Ultron replaces Skeletron? Huh? - check it out!
• Mjolnir resprite

Added:

• Localisation to all previous and new items so you know what they actually are
• Adamantite is now Adamantium & Titanium is now Vibranium?
• Hoverboard > Silver Surfer's Board
• Cobalt Armor > Captain America's Uniform in Endgame
• Sentinel Head replaces Skeletron Prime Head... What?
• The Thing's Head > Rock Golem Head
• Gambit's Head > Dark Artist's Hat
• Daredevil's Mask > Forbidden Mask
• Spider-Man's Mask > Spider Mask
• Falcon's Head & Combat Goggles > D-Town's Helmet
• Vison's Head > Titanium Headgear
• Deadpool's Mask > Crimson Helmet
• Mark V Helmet > Platinum Helmet
• Wolverine's Cowl > Adamtite Helmet
• Black Panther Mask > Ninja Hood
• Silver Surfer Head > Silver Helmet
• Iron Man's Armour now is better suited to a Terraria player's proportions (Mark II model)
• Iron Man's Repulsors > Charged Blaster Cannon (can be used with Iron Man's Armor)
• Hulk Head re-sprite
• Thanos Head re-sprite

Added:

• Thanos Head > Shadow Helmet
• Captain America's Shield > bootleg Sergeant United Shield
• Captain America's Helmet > Cobalt Helmet
• Hulk face > Turtle Helmet
• Full Iron Man armour > Iron Armour
• Hoverboard colour changed to match the Iron Man set
• Mjolnir > Paladin's Hammer