Exhibit 4.3  FIRST
SUPPLEMENTAL INDENTURE  This Supplemental Indenture, dated as of June 24,
2010 (this Supplemental Indenture or Guarantee), among AMC
ShowPlace Theatres, Inc., a Delaware corporation (the Subsidiary
Guarantor), AMC Entertainment Inc. (together with its successors and
assigns, the Company), each other then existing Guarantor under the
Indenture referred to below, and U.S. Bank National Association, as Trustee
under the Indenture referred to below.  W I T N E S S E T H:  WHEREAS, the Company, the Guarantors and the Trustee
have heretofore executed and delivered an Indenture, dated as of June 9,
2009 (as amended, supplemented, waived or otherwise modified, the Indenture),
providing for the issuance of 8.75% Senior Notes due 2019 of the Company (the Securities);  WHEREAS, Section 4.09 of the Indenture provides
that the Company is required to cause each Subsidiary that guarantees
obligations under the Credit Agreement, the Existing Notes or other
Indebtedness of the Company or any of its Guarantors to execute and deliver to
the Trustee a supplemental indenture pursuant to which such Subsidiary will
unconditionally guarantee, on a joint and several basis with the other
Guarantors, the full and prompt payment of the principal of, premium, if any,
and interest on the Securities on a senior basis; and  WHEREAS, pursuant to Section 9.01 of the
Indenture, the Trustee, the Company and the Guarantors are authorized to
execute and deliver this Supplemental Indenture to amend or supplement the Indenture,
without the consent of any Holder;  NOW, THEREFORE, in consideration of the foregoing and
for other good and valuable consideration, the receipt of which is hereby
acknowledged, the Subsidiary Guarantor, the Company, the other Guarantors and
the Trustee mutually covenant and agree for the equal and ratable benefit of
the Holders of the Securities as follows:  ARTICLE I  Definitions  SECTION 1.1          Defined Terms. 
As used in this Supplemental Indenture, terms defined in the Indenture
or in the preamble or recital hereto are used herein as therein defined, except
that the term Holders in the Guarantee shall refer to the term Holders
as defined in the Indenture and the Trustee acting on behalf or for the benefit
of such Holders.  The words herein, hereof
and hereby and other words of similar import used in this Supplemental
Indenture refer to this Supplemental Indenture as a whole and not to any
particular section hereof.  ARTICLE II  Agreement
to be Bound; Guarantee  SECTION 2.1          Agreement to be Bound.  The Subsidiary Guarantor hereby becomes a
party to the Indenture as a Guarantor and as such will have all of the rights
and be subject to all


of the obligations and agreements of a Guarantor under
the Indenture.  The Subsidiary Guarantor
agrees to be bound by all of the provisions of the Indenture applicable to a
Guarantor and to perform all of the obligations and agreements of a Guarantor
under the Indenture.  SECTION 2.2          Guarantee. 
The Subsidiary Guarantor agrees, on a joint and several basis with all
the existing Guarantors, to fully, unconditionally and irrevocably guarantee to
each Holder of the Securities and the Trustee the Guarantor Obligations
pursuant to Article Ten of the Indenture on a senior basis.  ARTICLE III  Miscellaneous  SECTION 3.1          Notices.  All
notices and other communications to the Subsidiary Guarantor shall be given as
provided in the Indenture to the Subsidiary Guarantor, at its address set forth
below, with a copy to the Company as provided in the Indenture for notices to
the Company.  SECTION 3.2          Parties. 
Nothing expressed or mentioned herein is intended or shall be construed
to give any Person, firm or corporation, other than the Holders and the
Trustee, any legal or equitable right, remedy or claim under or in respect of
this Supplemental Indenture or the Indenture or any provision herein or therein
contained.  SECTION 3.3          Governing Law. 
This Supplemental Indenture shall be governed by, and construed in
accordance with, the laws of the State of New York.  SECTION 3.4          Ratification of Indenture; Supplemental Indentures Part of
Indenture.  Except as expressly
amended hereby, the Indenture is in all respects ratified and confirmed and all
the terms, conditions and provisions thereof shall remain in full force and
effect.  This Supplemental Indenture
shall form a part of the Indenture for all purposes, and every Holder of
Securities heretofore or hereafter authenticated and delivered shall be bound
hereby.  SECTION 3.5          Trustee not Responsible.  The Trustee shall not be responsible in any
manner whatsoever for or in respect of the validity or sufficiency of this
First Supplemental Indenture or for or in respect of the recitals contained
herein, all of which are made solely by the Company and the Guarantors.  SECTION 3.6          Counterparts. 
The parties hereto may sign one or more copies of this Supplemental
Indenture in counterparts, all of which together shall constitute one and the
same agreement.  SECTION 3.7          Headings.  The
headings of the Articles and the Sections in this Guarantee are for convenience
of reference only and shall not be deemed to alter or affect the meaning or
interpretation of any provisions hereof.


IN WITNESS WHEREOF, the parties hereto have caused
this Indenture to be duly executed as of the date first above written.  AMC SHOWPLACE THEATRES, INC,as a GuarantorBy:
  /s/ Craig R. RamseyName:
  Craig R.
  RamseyTitle:
  Executive
  Vice President and Chief Financial OfficerAddress:
  AMC
  ShowPlace Theatres, Inc.c/o American Multi-Cinema, Inc.920 Main
  Street,Kansas City,MO 64105AMC ENTERTAINMENT INC.By:
  /s/ Craig R. RamseyName:
  Craig R.
  RamseyTitle:
  Executive
  Vice President and Chief Financial OfficerU.S. BANK NATIONAL ASSOCIATION, as
  TrusteeBy:
  /s/ Raymond S. HaverstockName:
  Raymond S. HaverstockTitle:
  Vice President  [Signature
Page to First Supplemental Indenture]