{"id":37542,"date":"2026-09-02T02:39:15","date_gmt":"2026-09-02T02:39:15","guid":{"rendered":"https:\/\/rustbeltcomics.com\/store\/index.php\/product\/the-uncanny-x-men-125-1979-1st-cameo-app-mutant-x-proteus-in-4-5-very-good\/"},"modified":"2026-09-02T02:58:38","modified_gmt":"2026-09-02T02:58:38","slug":"the-uncanny-x-men-125-1979-1st-cameo-app-mutant-x-proteus-in-4-5-very-good","status":"publish","type":"product","link":"https:\/\/rustbeltcomics.com\/store\/index.php\/product\/the-uncanny-x-men-125-1979-1st-cameo-app-mutant-x-proteus-in-4-5-very-good\/","title":{"rendered":"The Uncanny X-Men #125 (1979) 1st cameo app. Mutant X (Proteus) in 4.5 Very Good+"},"content":{"rendered":"<div style=\"font-family:&#039;Segoe UI&#039;,Arial,sans-serif;max-width:800px;margin:0 auto;border:1px solid #e0e0e0\">\n<div style=\"background:#b7410e;padding:20px;display:flex;gap:15px;align-items:center\">\n            <img decoding=\"async\" src=\"https:\/\/rustbeltcomics.com\/store\/wp-content\/uploads\/2023\/05\/cropped-RBClogo2.png\" style=\"height:50px\" alt=\"Rust Belt Comics\"><\/p>\n<div style=\"flex-grow:1\">\n<h1 style=\"color:#fff;margin:0;font-size:22px\">The Uncanny X-Men #125 (1979) 1st cameo app. Mutant X (Proteus) in 4.5 Very Good+<\/h1>\n<p style=\"color:#ffccbc;margin:5px 0 0\">Marvel<\/p>\n<\/p><\/div>\n<div style=\"background:#fdd835;padding:8px 15px;border-radius:4px;font-weight:bold;text-align:center;min-width:70px\">\n<div style=\"font-size:10px\">Condition<\/div>\n<div style=\"font-size:18px\">4.5<\/div>\n<div style=\"font-size:10px\">Very Good+<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div style=\"background:#333;color:#fff;padding:10px 20px;font-weight:bold\">KEY: 1st cameo app. Mutant X (Proteus)<\/div>\n<div style=\"padding:20px\">\n<p><strong>The Uncanny X-Men #125<\/strong> (1979) is a 4.5 Very Good+ Comic from Marvel. This issue belongs to the Bronze Age (1970-83). It is notable for: 1st cameo app. Mutant X (Proteus). Collectors searching for The Uncanny X-Men #125 will find a carefully graded copy of this issue.<\/p>\n<p>The Uncanny X-Men #125 features writing by Chris Claremont, pencils by John Byrne. These creators helped define the look and tone of The Uncanny X-Men during this period, which is one reason original issues like The Uncanny X-Men #125 remain in demand.<\/p>\n<p>The <strong>The Uncanny X-Men<\/strong> series is a staple for comic collectors published by Marvel in the Bronze Age (1970-83). Owning The Uncanny X-Men #125 lets you hold a piece of that run in 4.5 Very Good+, ready for reading or long-term collecting.<\/p>\n<h2 style=\"color:#b7410e;border-bottom:2px solid #b7410e\">The Uncanny X-Men #125 Specifications<\/h2>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Series Title<\/div>\n<div style=\"flex-grow:1\">The Uncanny X-Men<\/div>\n<\/p><\/div>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Issue Number<\/div>\n<div style=\"flex-grow:1\">#125<\/div>\n<\/p><\/div>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Publication Year<\/div>\n<div style=\"flex-grow:1\">1979<\/div>\n<\/p><\/div>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Publisher<\/div>\n<div style=\"flex-grow:1\">Marvel<\/div>\n<\/p><\/div>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Age<\/div>\n<div style=\"flex-grow:1\">Bronze Age (1970-83)<\/div>\n<\/p><\/div>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Grade<\/div>\n<div style=\"flex-grow:1\">4.5 Very Good+<\/div>\n<\/p><\/div>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Condition<\/div>\n<div style=\"flex-grow:1\">4.5 Very Good+<\/div>\n<\/p><\/div>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Format<\/div>\n<div style=\"flex-grow:1\">Comic<\/div>\n<\/p><\/div>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Printing<\/div>\n<div style=\"flex-grow:1\">1st<\/div>\n<\/p><\/div>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Creatives<\/div>\n<div style=\"flex-grow:1\">Writer: Chris Claremont<br \/>Penciller: John Byrne<\/div>\n<\/p><\/div>\n<div style=\"display:flex;border-bottom:1px solid #eee;padding:8px 0\">\n<div style=\"width:30%;font-weight:bold;color:#555\">Characters<\/div>\n<div style=\"flex-grow:1\">Multiple Man (Jamie Madrox); Moira MacTaggert; Banshee (Sean Cassidy); Polaris (Lorna Dane); Mutant X (Proteus); Magneto (Erik Magnus Lehnsherr); Mastermind (Jason Wyngarde); Lilandra Neramani; Havok (Alex Summers); Professor X (Charles Francis Xavier); Cyclops (Scott Summers); Beast (Henry &#8216;Hank&#8217; McCoy); Wolverine (James &#8216;Logan&#8217; Howlett); Magneto (Max \/ Erik Magnus Eisenhardt \/ Lehnsherr); Nightcrawler (Kurt Wagner); Storm (Ororo Munroe); Colossus (Piotr &#8216;Peter&#8217; Nikolaievitch Rasputin)<\/div>\n<\/p><\/div>\n<h2 style=\"color:#b7410e;border-bottom:2px solid #b7410e\">The Story of The Uncanny X-Men #125<\/h2>\n<p>The Uncanny X-Men #125 continues the The Uncanny X-Men series. Whether you are completing a run or starting with a standout 1979 issue, this 4.5 Very Good+ copy is a strong addition to a Marvel collection.<\/p>\n<h2>The Uncanny X-Men #125 \u2013 Collector Details<\/h2>\n<p>This copy of <strong>The Uncanny X-Men #125<\/strong> is carefully graded and offered in <strong>4.5 Very Good+<\/strong>. Key characters include Multiple Man (Jamie Madrox), Moira MacTaggert, Banshee (Sean Cassidy), Polaris (Lorna Dane), Mutant X (Proteus), Magneto (Erik Magnus Lehnsherr), Mastermind (Jason Wyngarde), Lilandra Neramani, Havok (Alex Summers), Professor X (Charles Francis Xavier), Cyclops (Scott Summers), Beast (Henry &#8216;Hank&#8217; McCoy), Wolverine (James &#8216;Logan&#8217; Howlett), Magneto (Max \/ Erik Magnus Eisenhardt \/ Lehnsherr), Nightcrawler (Kurt Wagner), Storm (Ororo Munroe), Colossus (Piotr &#8216;Peter&#8217; Nikolaievitch Rasputin). A solid choice for collectors completing a The Uncanny X-Men run or adding Marvel books from the Bronze Age (1970-83).<\/p>\n<p>The Uncanny X-Men #125 is a good fit for fans of The Uncanny X-Men, readers who follow Chris Claremont. It also suits shoppers building a Bronze Age (1970-83) library of Marvel titles.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The Uncanny X-Men #125 (1979) 1st cameo app. Mutant X (Proteus) in 4.5 Very Good+. This comic was published by Marvel as part of the Bronze Age (1970-83) with the creative team of Chris Claremont (writer), John Byrne (penciller).<\/p>\n","protected":false},"featured_media":37643,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[1796],"product_tag":[7712,7808,26304,26138,23437,24426,26307,26302],"class_list":["post-37542","product","type-product","status-publish","has-post-thumbnail","product_cat-comics-graphic-novels","product_tag-7712","product_tag-4-5-very-good","product_tag-banshee","product_tag-bronze-age","product_tag-marvel","product_tag-moira-mactaggert","product_tag-multiple-man","product_tag-the-uncanny-x-men","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/rustbeltcomics.com\/store\/index.php\/wp-json\/wp\/v2\/product\/37542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rustbeltcomics.com\/store\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/rustbeltcomics.com\/store\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/rustbeltcomics.com\/store\/index.php\/wp-json\/wp\/v2\/comments?post=37542"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rustbeltcomics.com\/store\/index.php\/wp-json\/wp\/v2\/media\/37643"}],"wp:attachment":[{"href":"https:\/\/rustbeltcomics.com\/store\/index.php\/wp-json\/wp\/v2\/media?parent=37542"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/rustbeltcomics.com\/store\/index.php\/wp-json\/wp\/v2\/product_brand?post=37542"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/rustbeltcomics.com\/store\/index.php\/wp-json\/wp\/v2\/product_cat?post=37542"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/rustbeltcomics.com\/store\/index.php\/wp-json\/wp\/v2\/product_tag?post=37542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}